Facebook Pixel Skip to main content
Insights & Guides

The Guru Diam Blog

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

Platinum vs. 18k Gold: A Bench Guide
20 min read

Platinum vs. 18k Gold: A Bench Guide

Platinum vs 18k gold compared for wholesale jewelers: density, hardness, hypoallergenic alloys, hallmarks, and cost-per-gram economics.

What Is the World Diamond Council?
15 min read

What Is the World Diamond Council?

What the World Diamond Council is, who it represents, its role in the Kimberley Process, and how it differs from grading and marketing bodies.

Finsch Diamond Mine: History and Output
15 min read

Finsch Diamond Mine: History and Output

The history, mining method, and industry role of South Africa's Finsch diamond mine, one of the country's largest underground operations.

What Is De Beers Lightbox?
15 min read

What Is De Beers Lightbox?

What De Beers' Lightbox lab-grown diamond brand is, how it's priced and positioned, and what it signals about the wider lab-grown market.

Baguette vs Emerald Cut Diamond Guide
20 min read

Baguette vs Emerald Cut Diamond Guide

Baguette vs emerald cut diamond compared: facet structure, accent vs center-stone roles, size ranges, clarity needs, and wholesale matching for jewelers.