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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.

What Is Diamond Fluorescence?
16 min read

What Is Diamond Fluorescence?

Diamond fluorescence is the visible glow — usually blue, though occasionally yellow, white, or another color — that some diamonds emit when exposed...

3 Carat Lab Grown Diamond Price Guide
15 min read

3 Carat Lab Grown Diamond Price Guide

A 3 carat lab-grown diamond sits in the statement-piece range — roughly 9.4mm in diameter for a well-proportioned round brilliant — and prices well...

Brown Diamonds: Complete Buying Guide
15 min read

Brown Diamonds: Complete Buying Guide

A brown diamond is a natural or lab-grown diamond whose crystal structure contains graining or trace defects that scatter light to produce a warm brown hue.

Diamond Choker Necklaces: Sourcing Guide
15 min read

Diamond Choker Necklaces: Sourcing Guide

A diamond choker necklace is a short necklace style — typically 14 to 16 inches, sitting snugly at or just below the base of the neck — set with diamonds along part or all of its length.

What Is a Diamond Wholesaler?
16 min read

What Is a Diamond Wholesaler?

A diamond wholesaler is a business that sells diamonds — loose stones, melee, or finished jewelry — in trade-only transactions to jewelers

Lab-Grown Diamond Earrings Guide
15 min read

Lab-Grown Diamond Earrings Guide

Lab-grown diamond earrings are stud, drop, or hoop earrings set with CVD lab-grown diamonds — chemically and optically identical to natural

How Diamond Pricing Actually Works
22 min read

How Diamond Pricing Actually Works

Diamond price is calculated on a price-per-carat basis, not a flat per-stone price — a base rate for the stone's carat weight, color, clarity, and...

Salt and Pepper Diamond Guide
18 min read

Salt and Pepper Diamond Guide

A salt and pepper diamond is a natural diamond with a dense scattering of visible black, grey, and white inclusions distributed throughout the stone,...