E79 Blog
Diamond Price by Carat: 2026 Benchmark Verdict
21 Sep 2026
Diamond price by carat in 2026: compare natural and lab-grown benchmark ranges from 0.50 to 3.00 carats and see where prices rise fastest.
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Average Engagement Ring Cost by Diamond Shape (2026)
21 Sep 2026
Diamond shape drives average engagement ring cost more than any factor but carat. Round brilliant ranks highest per carat in 2026; fancy cuts cost less.
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Gold Purity Chart 2026: 10k vs 14k vs 18k vs 24k
21 Sep 2026
The gold purity chart for 2026: 24k is 99.9% pure, 18k 75.0%, 14k 58.3%, 10k 41.7%. See the durability tradeoffs and which karat fits daily wear.
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Convert an Heirloom Ring Into a Custom Design (2026)
21 Sep 2026
Convert heirloom ring into custom design: appraisal, metal reuse, CAD approval and reinsurance steps for 2026, plus the mistakes that ruin a redesign.
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Best Fine Jewelry Gifts Under $500 in 2026: Ranked
21 Sep 2026
The best fine jewelry gifts under $500 in 2026, ranked with clear Buy and Skip verdicts on hoops, rings, studs, lockets, and what to avoid at this budget.
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