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Insights & Guides

The Guru Diam Blog

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

Loose Diamonds for Jewelry Making
16 min read

Loose Diamonds for Jewelry Making

A B2B guide to sourcing loose diamonds for jewelry making: grading basics, melee vs. center stones, certification, and wholesale sourcing tradeoffs.

Melee Diamonds Price Guide
16 min read

Melee Diamonds Price Guide

How melee diamond pricing works — per-carat lot pricing, size, color, clarity, and lab-grown vs. natural — for jewelers sourcing wholesale.

Men's Diamond Wedding Bands: Sourcing Guide
15 min read

Men's Diamond Wedding Bands: Sourcing Guide

How jewelers source diamonds for men's wedding band production — durability-focused setting styles, stone specs, metal choices, and wholesale pricing.

Mir Diamond Mine: History & Facts
15 min read

Mir Diamond Mine: History & Facts

The history and facts behind the Mir diamond mine in Russia, one of the largest excavated pits on Earth, and what it means for the trade.