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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 Drop Earrings: Sourcing Guide
15 min read

Diamond Drop Earrings: Sourcing Guide

Diamond drop earrings are earrings built around a stationary diamond element that hangs below the earlobe — a fixed, non-swinging drop distinguishing...

Diamond Wholesale: A Trade Buyer's Guide
16 min read

Diamond Wholesale: A Trade Buyer's Guide

Diamond wholesale is the trade-only market where jewelers, designers, retailers, and manufacturers buy diamonds — loose stones, melee, or finished

2 Carat Lab Grown Diamond Price Guide
15 min read

2 Carat Lab Grown Diamond Price Guide

A 2 carat lab-grown diamond sits at the upper edge of standard bridal sizing — roughly 8.2mm in diameter for a well-proportioned round brilliant —...

Diamond Birthstone Jewelry Sourcing Guide
15 min read

Diamond Birthstone Jewelry Sourcing Guide

Diamond birthstone jewelry pairs a center or accent diamond with a colored gemstone corresponding to a specific birth month, most commonly in rings, pendants, and stackable pieces.

Bridal Set Diamond Rings: A Sourcing Guide
16 min read

Bridal Set Diamond Rings: A Sourcing Guide

A bridal set is an engagement ring and its matching wedding band, designed and sold together as a coordinated pair rather than as two independently chosen pieces.

Ideal Cut Diamonds: A Buyer's Guide
15 min read

Ideal Cut Diamonds: A Buyer's Guide

An Ideal cut diamond is a round brilliant cut to proportions that maximize light return — brilliance, fire, and scintillation — based on mathematical

Diamond Promise Rings: A Sourcing Guide
15 min read

Diamond Promise Rings: A Sourcing Guide

A diamond promise ring is a ring set with one or more diamonds, given as a symbol of commitment ahead of or separate from an engagement, typically at...

Diamond Pinky Rings: Sourcing Guide
15 min read

Diamond Pinky Rings: Sourcing Guide

A diamond pinky ring is a ring, set with one or more diamonds, worn on the smallest finger rather than the ring finger — a category defined as much...

Round Brilliant Cut Diamonds Explained
15 min read

Round Brilliant Cut Diamonds Explained

How round brilliant diamonds are cut for maximum sparkle — facet anatomy, cut-grade breakdown, and how to judge light performance before you buy.