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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.

Toi et Moi Necklaces: A Sourcing Guide
15 min read

Toi et Moi Necklaces: A Sourcing Guide

How jewelers source and price toi et moi necklaces — stone pairing, setting styles, and wholesale considerations for building this category.

Toi et Moi Ring Setting Guide
16 min read

Toi et Moi Ring Setting Guide

How to engineer a toi et moi ring setting: shank design, prong vs. bezel choices, durability, and sourcing two stones for a ring mount.

Trapezoid Diamonds: A Buyer's Guide
15 min read

Trapezoid Diamonds: A Buyer's Guide

What a trapezoid diamond is, how it's cut and sized, and how jewelers source it as a side stone or standalone center stone at wholesale.

Trellis Setting Ring: Full Guide
15 min read

Trellis Setting Ring: Full Guide

What a trellis setting is, how it compares to cathedral and prong settings, pros and cons, and what to know before ordering one.

Trilliant Cut Diamond: A Trade Guide
15 min read

Trilliant Cut Diamond: A Trade Guide

What a trilliant cut diamond is, how it's faceted, how it compares to trillion cut, and how to source it wholesale for rings and pairings.

Trunk Show Jewelry: A Retailer's Guide
17 min read

Trunk Show Jewelry: A Retailer's Guide

What is trunk show jewelry? A practical guide to how in-store trunk shows work, why retailers run them, and how to plan, staff, and source one.

Tucson Gem Show: A Diamond Buyer's Guide
15 min read

Tucson Gem Show: A Diamond Buyer's Guide

What wholesale diamond and jewelry buyers need to know about the Tucson Gem and Mineral Show — timing, venues, and how to plan a buying trip.

Twisted Band Diamond Rings: Sourcing
16 min read

Twisted Band Diamond Rings: Sourcing

How jewelers wholesale-source twisted band diamond rings: setting mechanics, calibration challenges, durability, and pricing for spiral shanks. How jewelers wholesale-source twisted band diamond rings: setting mechanics, calibration challenges, durability, and pricing for spiral shanks.