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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 Initial Necklaces: A Sourcing Guide
15 min read

Diamond Initial Necklaces: A Sourcing Guide

A diamond initial necklace is a pendant shaped as a single letter — typically the wearer's own initial, a partner's, or a child's — set with diamond...

Diamond Color Scale Explained
15 min read

Diamond Color Scale Explained

The diamond color scale grades a white diamond's absence of color, running from D (completely colorless) to Z (a noticeable light yellow or brown...

Diamond vs. Sapphire: A Trade Comparison
15 min read

Diamond vs. Sapphire: A Trade Comparison

Diamond and sapphire are both durable, gem-quality minerals suited to daily-wear jewelry, but they differ fundamentally in composition, hardness

Diamond Bangle Bracelets: A Sourcing Guide
15 min read

Diamond Bangle Bracelets: A Sourcing Guide

A diamond bangle bracelet is a rigid or semi-rigid ring-shaped bracelet, set with diamonds around all or part of its circumference, worn slid over the hand rather than fastened with a clasp.

Art Deco Diamond Rings: Trade Guide
16 min read

Art Deco Diamond Rings: Trade Guide

An Art Deco diamond ring is a ring styled after the geometric, symmetrical design language of the 1920s-1930s Art Deco movement.

Hidden Halo Rings: Sourcing Guide
15 min read

Hidden Halo Rings: Sourcing Guide

A hidden halo ring is a ring design where a circle of small accent diamonds sits beneath the center stone, tucked under the crown or gallery rather

Pink Diamonds: A Trade Buying Guide
16 min read

Pink Diamonds: A Trade Buying Guide

A pink diamond is a diamond that gets its color not from a trace element but from a distortion in its crystal lattice formed under intense pressure...

Rose Gold Diamond Rings: Trade Guide
16 min read

Rose Gold Diamond Rings: Trade Guide

A rose gold diamond ring is a ring where the metal band is a copper-alloyed gold — typically 14k or 18k — set with a diamond center stone and, often,...

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

Diamond Lots: A Trade Buyer's Guide

A diamond lot is a defined group of diamonds — anywhere from a handful of stones to several hundred — sold and priced together as a single unit...