16 min read
What Is a Diamond Bourse?
What a diamond bourse actually is, how the major global bourses operate, and what membership and trading on one means for wholesale buyers.
Insights & Guides
The Guru Diam Blog
Expert articles on lab-grown diamonds, wholesale sourcing strategies, and the latest trends shaping the jewelry industry.
15 min read
Diamond District Pittsburgh Guide
What Pittsburgh's jewelry trade actually looks like, why it doesn't have a formal diamond district, and how buyers can source there.
15 min read
How Diamond Mining Actually Works
How natural diamonds are found, extracted, and processed, from kimberlite pipes to rough sorting, and what it means for supply and pricing.
15 min read
Namibia's Diamond Mining Industry Explained
How Namibia's marine and land-based diamond mining industry works, from Debmarine's offshore fleet to Namdeb, and what it means for sourcing.
15 min read
The Environmental Impact of Diamond Mining
How diamond mining affects land, water, and ecosystems, what the industry does to manage it, and how it compares to lab-grown production.
16 min read
Medium Fluorescence Diamond Guide
Medium fluorescence in diamonds explained: visibility under UV, effect on appearance, price impact, and how it compares to faint and strong grades.
16 min read
Washington DC Diamond District: A Buyer's Guide
What Washington DC's jewelry trade actually looks like, from Georgetown to Tysons Corner, and how buyers source wholesale diamonds there.
16 min read
Williamson Diamond Mine: History & Facts
The history of Tanzania's Williamson diamond mine, its famous pink diamonds, and what one of the world's longest-running mines means for sourcing.
16 min read
Round vs Emerald Cut Diamond Guide
Round vs. emerald cut diamond compared: facet structure, light performance, clarity/color needs, durability, and wholesale sourcing guidance.