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The Guru Diam Blog

Expert articles on lab-grown diamonds, wholesale sourcing strategies, and the latest trends shaping the jewelry industry.

EF vs GH Color Melee: Which Grade Fits Which Job
18 min read

EF vs GH Color Melee: Which Grade Fits Which Job

A deep dive on natural melee color: when EF's whiter face-up color earns its premium in platinum and white gold, when GH is the smarter buy, and the real $/ct delta by size.