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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.

Diamond Laser Inscription: A Buyer's Guide
15 min read

Diamond Laser Inscription: A Buyer's Guide

What diamond laser inscription is, how it's used to verify certified stones, and what wholesale buyers should check before sourcing inscribed inventory.

Diamond Letter Necklaces: Sourcing Guide
16 min read

Diamond Letter Necklaces: Sourcing Guide

How jewelers source diamonds for letter/initial necklace production — outline vs. pavé construction, font and legibility, and wholesale pricing.

Diamond Link Bracelets: A Sourcing Guide
15 min read

Diamond Link Bracelets: A Sourcing Guide

How jewelers and manufacturers source loose diamonds for diamond-set link bracelet production — link shapes, stone placement, and wholesale pricing.

Diamond Memo Terms for Jewelers
15 min read

Diamond Memo Terms for Jewelers

What a diamond memo is, how memo terms work between dealers and jewelers, typical memo periods, and how memo differs from net terms and outright purchase.

Major Diamond Mining Companies Guide
15 min read

Major Diamond Mining Companies Guide

A guide to the world's major diamond mining companies, their flagship mines, ownership structures, and how they shape the natural diamond supply chain.

Diamond Mounting Styles: A Buyer's Guide
16 min read

Diamond Mounting Styles: A Buyer's Guide

An overview of the main diamond ring mounting styles jewelers stock and sell — prong, bezel, halo, cathedral, and more — with tradeoffs for each.

Diamond Necklace Styles: A Buyer's Guide
17 min read

Diamond Necklace Styles: A Buyer's Guide

A wholesale buyer's comparison of diamond necklace styles — tennis, choker, pendant, infinity, and more — chain length, occasion fit, and price tier.

Diamond Parcels: A Trade Buyer's Guide
19 min read

Diamond Parcels: A Trade Buyer's Guide

How diamond parcels are priced, sized, and sold in the wholesale trade, and how parcel buying differs from certified individual loose diamonds.