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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.

Common Casting and Setting Defects: A QC Guide
18 min read

Common Casting and Setting Defects: A QC Guide

A working breakdown of the five defect categories that show up in cast and set jewelry, what causes each one, and the exact spots on a finished piece a jeweler should inspect before it ever reaches a showcase.

Pricing and Producing Eternity and Wedding Bands at Scale
20 min read

Pricing and Producing Eternity and Wedding Bands at Scale

Eternity and wedding bands are one product family with sub-variants, and pricing them at scale comes down to two levers — stone coverage and metal weight — plus a consistency standard that matters more here than on any one-off piece.

How to Profitably Say Yes to One-Off Custom Jewelry Requests
19 min read

How to Profitably Say Yes to One-Off Custom Jewelry Requests

A single unusual custom request often gets turned away because it doesn't seem worth the tooling and sourcing cost for one piece. Once production is handled by an outside manufacturing partner, that cost barrier mostly disappears — and saying yes becomes routine instead of risky.