A Buyer's Guide to the Eternity Band Lab Diamond

Your jewelry should be a reflection of your personal story, and an eternity band is a beautiful chapter. The process of choosing one—from the shape of the diamonds to the warmth of the metal—is a chance to create something that feels completely your own. Opting for an eternity band lab diamond opens up even more possibilities, allowing you to explore bolder designs and higher-quality stones that fit your vision and budget. Think of this guide as your personal consultation. We’ll explore all the ways you can customize your ring, from full versus half styles to the unique settings our favorite designers use to create pieces with true character.

Key Takeaways

  • Get More for Your Money Without Compromise: Lab diamond eternity bands are physically and chemically identical to natural diamonds, offering the same timeless sparkle and durability. This allows you to get a larger or higher-quality ring for your budget while making a sustainable, conflict-free choice.
  • Focus on the Details That Matter: The beauty of your ring comes from a combination of factors. Learn the 4 Cs (Cut, Color, Clarity, Carat) to understand diamond quality, and then explore different diamond shapes, settings, and metals to create a style that is a true reflection of you.
  • Confirm Your Ring Size Before Anything Else: The continuous design of an eternity band means it typically cannot be resized. Getting a professional sizing is the most critical step to ensure your ring fits comfortably and securely for a lifetime, avoiding costly remakes down the road.

What Is a Lab Diamond Eternity Band?

An eternity band is a stunning ring that features a continuous, unbroken line of diamonds, designed to symbolize never-ending love. A lab diamond eternity band offers this same timeless look and powerful meaning, but with diamonds grown in a lab instead of mined from the earth. These beautiful rings are a popular choice for wedding bands, anniversary gifts, or to celebrate a special milestone. They represent a commitment that, like the circle of diamonds, has no beginning and no end. We love how they pair with other jewelry, whether stacked with an engagement ring or worn alone for a touch of sparkle.

How Are Lab Diamonds Made?

Lab diamonds are created using incredible technology that mimics the natural diamond-growing process. It all starts with a tiny diamond "seed." Using a combination of high pressure and intense heat, carbon atoms are layered onto the seed, allowing a larger diamond to grow. The result is a stone that is chemically and physically identical to a mined diamond. As the experts at Michael Gabriels note, "Lab-grown diamonds are made in a lab, not dug from the earth. They look, sparkle, and are as strong as natural diamonds." It’s a fascinating process that yields a brilliant, beautiful diamond every time.

Lab vs. Natural Diamonds: What's the Difference?

The only real difference between a lab-grown and a natural diamond is its origin. One formed over billions of years deep within the Earth, while the other was created in a controlled, high-tech environment. That’s it. To the naked eye, they are completely indistinguishable, sharing the same chemical makeup, hardness, and optical properties. In fact, "lab-created diamonds are real and are indiscernible from mined diamonds except when examined by trained gemologists with special equipment." This means you get the same fire and brilliance you expect from a diamond, making them a wonderful and sustainable choice for your bridal set.

The Meaning Behind an Eternity Band

The symbolism of an eternity band is what makes it so special. The continuous circle of diamonds represents a love that is whole, complete, and everlasting. With no beginning or end, the design is a powerful metaphor for eternal commitment and the circle of life. It’s a piece of jewelry that tells a story of enduring love and partnership. As the team at Clean Origin beautifully states, "These rings symbolize endless, everlasting love and commitment. They have no beginning or end, like eternal love or the circle of life." Whether you’re celebrating your first anniversary or your fiftieth, an eternity band is a meaningful way to honor the journey you share.

Why Choose a Lab Diamond Eternity Band?

When you’re searching for a piece of jewelry that symbolizes forever, an eternity band is a beautiful choice. But the decision between a lab-grown and a natural diamond can feel like a big one. The great news is that choosing a lab diamond doesn't mean compromising on what matters. In fact, it comes with some incredible advantages that might make it the perfect option for you. From getting more for your budget to making a choice you can feel great about, let's explore why a lab diamond eternity band is a brilliant decision.

Get More Sparkle for Your Budget

One of the most compelling reasons to choose a lab diamond is the value. Lab-grown diamonds offer the same stunning quality as their natural counterparts but at a more accessible price point. This means you can get a larger stone or a higher-quality diamond without stretching your budget. Imagine being able to select a band with more carats or exceptional clarity, giving you that breathtaking sparkle you’ve always wanted. It’s not about spending less; it’s about getting more beauty and brilliance for your money. You can explore a wider range of fine contemporary jewelry and find a piece that truly feels like a dream come true.

Make an Ethical and Sustainable Choice

For many of us, knowing where our products come from is essential. Choosing a lab-grown diamond means you can be 100% certain your stone is conflict-free. Because they are created in a controlled environment, there are no concerns about the environmental or social impact associated with traditional mining. This makes lab diamonds a sustainable and ethical choice you can wear with pride. It’s a modern approach to luxury that aligns with a conscious lifestyle, ensuring your beautiful ring also reflects your values. This commitment to thoughtful sourcing is something we share with our curated list of original designers.

Enjoy Identical Beauty and Durability

Let’s be clear: lab-grown diamonds are real diamonds. They aren’t fakes or imitations. They have the exact same chemical, physical, and optical properties as diamonds that come from the earth. This means they have the same fire, scintillation, and classic white sparkle. A lab diamond is just as hard and durable as a natural one, making it perfect for a piece like an eternity band that you’ll wear every day. To the naked eye—and even to a trained jeweler without specialized equipment—they are completely indistinguishable. You get all the timeless beauty and strength you expect from a diamond, because that’s exactly what it is.

Common Myths, Busted

The biggest misconception about lab diamonds is that they aren't "real." This simply isn't true. Think of it like the difference between a wildflower and a greenhouse-grown flower—both are real flowers, they just have different origins. Lab diamonds are chemically identical to mined diamonds, sharing the same carbon structure that gives them their signature hardness and sparkle. They are graded using the same standards (the 4 Cs) and offer the same lasting quality. If you have any doubts, the best way to put them to rest is to see for yourself. We invite you to book an appointment to compare them in person and find the perfect ring with confidence.

Explore Lab Diamond Eternity Band Styles

One of the best parts of choosing an eternity band is making it completely your own. From the way the diamonds wrap around your finger to the shape of the stones themselves, every detail contributes to a piece that tells your unique story. Think of these elements as building blocks for your perfect ring. Whether you’re drawn to timeless classics or modern, artistic designs, understanding your options is the first step toward finding a band you’ll love for a lifetime. Let’s walk through the key style choices you’ll get to make.

Full vs. Half Eternity: Which Is for You?

The first decision you’ll likely face is whether you want a full or half eternity band. A full eternity band features an unbroken circle of lab diamonds, a beautiful symbol of endless love and commitment. It offers sparkle from every angle. A half eternity band has diamonds set across the top half of the ring, leaving the bottom plain metal. This can be a more comfortable and practical choice for everyday wear, as the smooth bottom won’t rub against your other fingers. It’s also easier to resize down the road, making it a flexible option.

Find Your Perfect Diamond Shape

The shape of the diamonds in your band has a huge impact on its overall personality. Round brilliant diamonds are the classic choice, known for their incredible sparkle and timeless appeal. For a more modern and elongated look, you might consider oval or emerald cuts. Emerald cuts offer a sleek, geometric feel with flashes of light, while ovals provide a soft, contemporary elegance. Exploring different shapes is part of the fun, and the right one will simply feel like you. You can see how different cuts shine in our bridal collection.

Choose Your Setting and Metal

The setting and metal are the foundation of your ring’s design. The metal—whether it’s the warm glow of yellow gold, the romantic blush of rose gold, or the cool brightness of white gold or platinum—sets the entire tone. The setting holds your diamonds in place and adds its own stylistic flair. A shared prong setting, for example, uses minimal metal to maximize light and sparkle. A bezel setting encases each diamond in metal for a modern, secure look, while a channel setting lines them up neatly between two walls of metal for a sleek finish.

Discover Popular Designs

Once you combine a diamond shape, setting, and metal, you create a distinct design. A round diamond in a shared prong setting feels classic and brilliant, while an emerald-cut diamond in a bezel setting feels bold and contemporary. The beauty of eternity bands is their versatility, fitting seamlessly into any style. At Element 79, we love showcasing how our designers put their unique spin on these timeless pieces, creating soulful jewelry that’s anything but ordinary. The perfect design is one that complements your engagement ring and reflects your personal taste.

How to Judge Lab Diamond Quality

When you’re looking at a lab-grown diamond, you’re judging it by the exact same standards as a natural one. The quality isn't determined by its origin, but by its inherent beauty and characteristics. Getting familiar with these standards helps you understand exactly what you’re looking at, so you can feel confident in your choice. It all comes down to a universal grading system known as the 4 Cs.

Think of the 4 Cs as a diamond’s report card. They give you a clear, objective way to measure quality and compare different stones. Once you understand what each "C" means, you’ll be able to look at an eternity band and see more than just sparkle—you’ll see the specific qualities that create it. This knowledge empowers you to select a piece that not only looks stunning but also meets your standards for quality and value. At Element 79, we love walking clients through these details, ensuring you find a piece with a story and soul that speaks to you.

The 4 Cs of Lab Diamonds

The 4 Cs—Cut, Color, Clarity, and Carat Weight—are the cornerstones of diamond quality. Cut is arguably the most important factor because it determines how well a diamond reflects light. It’s not about the shape, but the precision of the facets that create that incredible sparkle. Color is graded on a scale from D (colorless) to Z (light yellow). For a bright, classic look in an eternity band, you’ll want diamonds that fall in the colorless or near-colorless range.

Clarity refers to the presence of tiny, natural imperfections called inclusions. A higher clarity grade means fewer inclusions are visible, even under magnification. Finally, Carat is the measure of the diamond's weight, which also gives you an idea of its size. In an eternity band, you’ll often see this referred to as the total carat weight (TCW), which is the combined weight of all the diamonds in the ring. Understanding these elements is the first step to choosing your perfect bridal jewelry.

Why Diamond Certification Matters

Think of a diamond certificate as its official biography, written by an unbiased expert. This report, issued by a reputable gemological lab, verifies the diamond's 4 Cs and other key characteristics. Certification is your assurance that the diamond is exactly what the jeweler says it is. It provides a third-party, scientific assessment of quality, so you can be sure you’re getting the value you’re paying for.

Without certification, you’re relying solely on a seller’s word. A proper grading report from a lab like the Gemological Institute of America (GIA) or the International Gemological Institute (IGI) offers transparency and peace of mind. It’s a crucial piece of paperwork that protects your purchase and confirms the quality of the diamonds you’ve chosen. This commitment to quality is why we partner with designers who uphold the highest standards.

Spotting a Superior-Quality Diamond

While a certificate provides the specs, your own eyes are the final judge. The best way to spot a superior diamond is to see how it performs. Look for a stone with exceptional brilliance (the white light it reflects) and fire (the flashes of rainbow color). A well-cut diamond will look lively and bright in any lighting. Don’t be afraid to move it around and see how it sparkles from different angles.

Comparing a few diamonds side-by-side is also incredibly helpful. This is where subtle differences in color and cut become obvious. A jeweler can also help you use a loupe (a small magnifying glass) to look for inclusions. The goal is to find a diamond that is "eye-clean," meaning you can't see any imperfections without magnification. The best way to do this is to book an appointment and let our experts guide you through the process in person.

Customize Your Eternity Band

One of the best parts of choosing an eternity band is making it uniquely yours. Customization lets you create a ring that perfectly captures your personal style and tells your story. From the sparkle of the diamonds to the warmth of the metal, every choice contributes to a piece that feels like it was made just for you. Think of it as co-designing a future heirloom. Whether you prefer a classic, understated look or something bold and modern, tailoring the details ensures your ring is a true reflection of you. Let’s walk through the key elements you can personalize to create your dream eternity band.

Arrange Your Diamonds

The shape of your diamonds sets the entire tone for your ring. While classic round diamonds offer timeless sparkle, other shapes can create a more distinct look. Ovals can elongate the finger, emerald cuts provide a sophisticated, hall-of-mirrors effect, and pear or marquise shapes lend a vintage-inspired feel. The way the diamonds are arranged side-by-side also matters. A band of uniform round diamonds feels traditional, while alternating shapes or sizes adds a playful, modern twist. Think about your personal style and the other jewelry you wear to find a shape and arrangement that feels right.

Select Your Metal

The metal you choose is the foundation of your ring’s design, influencing both its look and feel. Platinum is a popular choice for its durability and cool, silvery-white hue that makes diamonds pop. Yellow gold offers a classic, warm glow that complements every skin tone, while rose gold provides a romantic, contemporary blush. White gold is another great option for a bright, modern look. When making your decision, consider your lifestyle and the color palette of your existing jewelry collection. Each metal has its own character, and the right one will make your bridal set feel complete.

Pick the Perfect Setting

The setting is how the diamonds are physically held in the metal band, and it plays a huge role in the ring's overall style and security. A prong setting uses tiny metal claws to hold each diamond, allowing maximum light to enter for incredible sparkle. For a sleeker, more modern look, a channel setting places the diamonds side-by-side within a metal channel. A bezel setting, which encircles each diamond in metal, is the most secure option and offers a smooth, contemporary finish. Each of our designers has a unique approach, so exploring their work can help you find a setting you love.

Decide on Carat Weight

Carat weight in an eternity band refers to the total weight of all the diamonds combined. This choice directly impacts the size of the individual stones and the overall presence of the ring on your finger. A band with a lower total carat weight will have smaller, more delicate diamonds for a subtle shimmer, while a higher carat weight will create a bolder, more dramatic statement. Your decision will depend on your personal preference and budget. It can be helpful to try on different styles to see what scale feels most comfortable for you. If you're unsure, you can always book an appointment to explore your options with an expert.

How Much Do Lab Diamond Eternity Bands Cost?

One of the most common questions I hear is about the price of a lab diamond eternity band. The great news is that choosing a lab-grown diamond makes this beautiful style more accessible. While the final price tag can vary, you have a lot of control over the factors that influence it. Generally, a beautifully crafted lab diamond eternity band starts around $1,350. The size of the diamonds, the metal, and the intricacy of the setting all play a role, so let's walk through what to expect.

How Carat and Style Affect Price

The two biggest factors that determine the price of your eternity band are the total carat weight and the overall style. A delicate band with smaller pavé diamonds will have a different price point than a statement ring with large, individually set stones. The more diamond you have, and the larger those diamonds are, the higher the cost. Similarly, the complexity of the design matters. A simple prong-set band is a timeless choice, while a more intricate setting requires more labor and metal. Exploring different bridal jewelry styles is a great way to see how these elements come together.

Lab vs. Natural: A Price Comparison

Here’s where you see the biggest advantage of choosing a lab-grown diamond. Lab diamonds are chemically and visually identical to their mined counterparts—they are real diamonds, just created in a lab. Because the supply chain is shorter, they cost considerably less than natural diamonds of the same size and quality. This price difference means you can get more for your budget. You might be able to afford a full-eternity band instead of a half, or opt for larger diamonds than you could with a mined diamond budget. It’s a smart choice that doesn't compromise on beauty or durability.

What Influences the Final Cost?

Beyond carat weight, several other details shape the final price. The metal you choose is a key factor; platinum is typically more expensive than 14k or 18k gold. The shape of the diamonds—whether you prefer classic round brilliant or elegant emerald cuts—can also affect the cost. One of the most important things to remember is that most eternity bands cannot be resized. Getting your finger sized correctly from the start is essential to avoid the costly task of remaking the ring. We always recommend you book an appointment for a professional sizing to ensure a perfect fit.

Find the Right Jeweler

Choosing an eternity band is a significant decision, and the jeweler you work with can make all the difference. Think of them as your partner in this process. The right one will guide you with expertise and care, ensuring you feel confident and excited about your purchase. A great jeweler doesn't just sell you a ring; they help you find a piece that truly resonates with your story and style. They should be transparent, knowledgeable, and genuinely invested in helping you make the best choice for you.

This relationship is built on trust, so it’s important to know what to look for. From their customer service approach to their store policies, every detail matters. When you find a jeweler who prioritizes your experience, you can relax and enjoy the process of selecting a beautiful, meaningful piece of jewelry that you'll cherish for years to come.

Signs of a Trustworthy Retailer

A trustworthy jeweler stands out by prioritizing your experience. Look for a retailer that offers exceptional customer service and is eager to help you explore all your options without pressure. They should have a deep knowledge of their craft and a passion for the pieces they carry, especially when it comes to their curated selection of designers. A great sign is a willingness to discuss custom designs, helping you create a ring that perfectly captures your personal style. You should feel comfortable asking questions and confident that you're receiving honest, expert advice. A welcoming atmosphere, whether online or in-store, shows they value you as a customer, not just a sale.

What to Look for in Policies and Warranties

Clear and customer-friendly policies are a hallmark of a reputable jeweler. Before you commit, check for straightforward information on returns, warranties, and shipping. A retailer that offers secure payment options and a reasonable return window shows they stand behind their products. Many top jewelers also provide services that make shopping easier, like virtual consultations or private in-person viewings. Being able to book an appointment with an expert gives you dedicated time to have your questions answered thoroughly. These policies and services are designed to protect your purchase and give you peace of mind.

Key Questions to Ask Before You Buy

To ensure you’re making a well-informed decision, have a few key questions ready. First, ask about customization options if you’re interested in a unique piece. A good jeweler will be excited to work with you on a custom design. It's also crucial to ask about sizing. Most eternity bands cannot be resized, so confirming your correct ring size is essential before ordering. Don’t hesitate to also ask about the diamond certification, the craftsmanship of the setting, and any care instructions. These questions will help you understand the quality and longevity of your bridal ring and build a trusting relationship with your jeweler.

How to Nail the Perfect Purchase

You’ve explored the styles, learned about quality, and set your budget. Now, it’s time for the final steps that turn a beautiful idea into a perfect reality. Getting these last details right ensures your lab diamond eternity band is everything you dreamed it would be, from the moment you slip it on. Think of this as your final checklist before making one of the most meaningful jewelry purchases you’ll ever make. From getting the perfect fit to understanding its story on paper, here’s how to make sure your purchase is flawless.

Get the Right Ring Size

This might be the most important step of all. Because the diamonds in an eternity band go all the way around the ring, most cannot be resized. An incorrect size means you might not be able to wear your ring, so accuracy is key. The best way to get a precise measurement is to have a professional size your finger. We can help you find the perfect fit when you book an appointment with us. If you’re measuring at home, do it a few times throughout the day, as your finger size can fluctuate with temperature and activity. Getting it right from the start means you’ll have a ring that feels comfortable and secure for a lifetime.

When to Time Your Purchase

Eternity bands are deeply symbolic, often marking life’s most significant moments. Traditionally, they are given for a major wedding anniversary or to celebrate the birth of a child. This tradition makes the ring a beautiful, wearable reminder of a milestone in your journey together. Of course, there’s no wrong time to celebrate your love or a personal achievement. Whether you’re commemorating a promotion, a personal goal, or simply want to treat yourself to a stunning piece of fine jewelry, timing the purchase around a special event adds another layer of meaning to an already cherished piece.

Understand Your Ring's Paperwork

Your ring’s paperwork is its official story, confirming its quality and value. For rings with diamonds of one carat or larger, you’ll typically receive an official appraisal. This document is essential for insurance purposes and verifies the characteristics of your lab diamonds. It’s also a good time to remember why you chose a lab diamond in the first place—they are an ethical, 100% conflict-free choice you can feel great about. At Element 79, we pride ourselves on working with designers who value transparency and quality, so you can be confident in the beauty and integrity of your ring.

Care for Your Lab Diamond Eternity Band

Your lab diamond eternity band is a symbol of something special, and with the right care, it will sparkle for a lifetime. Just like anything you treasure, a little attention goes a long way in keeping it looking as brilliant as the day you first put it on. Taking care of your ring isn’t complicated—it just requires a few simple habits. From gentle at-home cleanings to knowing when to call in a professional, these practices will ensure your ring remains a stunning part of your collection for years to come.

Daily Cleaning and Maintenance

Over time, everyday things like lotions, soaps, and natural skin oils can build up on your diamonds, dulling their fire and brilliance. The good news is that a quick, gentle clean at home is all it takes to restore that sparkle. Simply mix a few drops of mild dish soap with warm water. Let your ring soak for a few minutes, then use a soft-bristled toothbrush to gently scrub away any grime, paying special attention to the areas around the settings. Rinse it thoroughly under clean water and pat it dry with a soft, lint-free cloth. This simple routine will keep your fine contemporary jewelry looking its absolute best.

When to Get a Professional Inspection

While home cleaning keeps your ring sparkling, an annual professional check-up is essential for its long-term health. Think of it as a wellness visit for your jewelry. A professional jeweler can spot potential issues you might miss, like a loose stone or worn-down prongs that could put your diamonds at risk. Catching these things early prevents bigger problems down the road. We recommend bringing your eternity band in at least once a year for a thorough inspection and deep cleaning. You can easily book an appointment with us to ensure your treasured piece stays secure and beautiful for every anniversary to come.

Protect Your Investment

One of the most important things to know about an eternity band is that resizing is often not possible. Because the diamonds circle the entire band, there’s no plain metal area for a jeweler to work with. This makes getting the correct ring size from the very beginning absolutely crucial. If your finger size changes later on, the solution might involve creating a whole new ring. To protect your band from daily wear and tear, it’s also wise to remove it before doing any heavy lifting, gardening, or intense workouts. A little mindfulness will help preserve the integrity and beauty of your ring.

Is a Lab Diamond Eternity Band a Good Investment?

When we talk about jewelry as an "investment," it's easy to think only about financial returns. But with a piece as personal as an eternity band, the idea of value is much richer. It’s an investment in your story, your style, and your daily happiness. A lab diamond eternity band offers a modern approach to this investment, blending timeless beauty with practical and ethical considerations. It allows you to own a piece that feels significant without the traditional price tag, making it a smart and soulful choice. Let's look at what that means for you.

Considering Long-Term Value

The long-term value of a lab diamond eternity band comes from its durability and affordability. Because lab diamonds are chemically and physically identical to natural diamonds, they are just as hard and will sparkle for a lifetime with proper care. The primary financial benefit is upfront: you get a bigger, higher-quality diamond for your budget. This allows you to invest in a design you truly love without compromise. While you shouldn't expect it to appreciate in monetary value like a rare collectible, its lasting value is in its beauty and the joy it brings you every day. Think of it as an investment in quality and personal expression that you can enjoy for decades.

Personal Value vs. Resale Value

The personal value of a lab diamond eternity band is identical to a natural one—it’s a beautiful, sparkling symbol of love and commitment. To the naked eye, it's impossible to tell the difference between a lab-grown diamond and its mined counterpart. The emotional connection and the way the ring makes you feel are the same. It’s important to know, however, that the resale market for lab diamonds is still developing and is generally lower than that of natural diamonds. For most people, this isn't a dealbreaker. The purchase is about celebrating a moment and wearing a piece you adore, not about its future selling price. The real return is the sentimental value it holds for you.

Making the Right Choice for You

Ultimately, choosing a lab diamond eternity band is a personal decision that depends on what you value most. If your priorities are maximizing your budget, ensuring an ethical origin, and getting a stunning piece of jewelry that is physically identical to its natural counterpart, then a lab diamond is an excellent choice. One crucial tip: eternity bands are very difficult, if not impossible, to resize. Make sure you have your correct ring size before committing. If you're ready to find a ring that perfectly reflects your style and values, we'd love to help. You can book an appointment to explore our collection in a relaxed, no-pressure setting.

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Frequently Asked Questions

Can anyone tell my eternity band has lab diamonds just by looking at it? Absolutely not. To the naked eye, a lab-grown diamond is completely indistinguishable from a natural one. They share the exact same chemical makeup, hardness, and optical properties, which means they have the same brilliant sparkle and fire. Only a trained gemologist using specialized equipment can tell the difference in their origin.

Why is getting the right ring size so important for an eternity band? This is a crucial detail because most eternity bands cannot be resized. The continuous circle of diamonds around the band leaves no plain metal for a jeweler to work with. Cutting into the ring to make it smaller or larger would disrupt the setting and compromise its structure. That’s why we always recommend a professional sizing to ensure a perfect, comfortable fit from day one.

Is a lab diamond eternity band durable enough to wear every day? Yes, it absolutely is. Lab diamonds are real diamonds, which means they have a hardness of 10 on the Mohs scale—the highest rating possible. This makes them incredibly resistant to scratching and chipping, just like a mined diamond. An eternity band made with lab diamonds is built to withstand the rigors of daily life and last a lifetime.

What’s the practical difference between a half and a full eternity band? A full eternity band offers that stunning, all-around sparkle, which is beautiful from every angle. A half eternity band has diamonds set only across the top of the ring. This can make it more comfortable for some people, as the bottom of the ring is smooth metal and won't rub against your other fingers. It also tends to be a more budget-friendly option and is easier to resize if needed down the road.

Will my lab diamond lose its sparkle or get cloudy over time? Never. Because lab diamonds are made of pure carbon, just like natural diamonds, their internal structure is stable and will never cloud, fade, or change color. If your ring starts to look a little dull, it’s simply due to a buildup of oils and lotions on the surface. A quick, gentle cleaning at home is all it takes to restore its original, brilliant sparkle.