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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.

Why Melee Pricing Works Differently From Certified Stone Pricing
12 min read

Why Melee Pricing Works Differently From Certified Stone Pricing

Melee is priced and sold as parcel goods matched to a color, clarity, and dimension tolerance baseline — not per stone like certified diamonds. Here's how that changes the way jewelers should budget and order for pavé, halo, and eternity band work.

How Antique and Exotic Cuts Are Priced Differently From Round Brilliants
12 min read

How Antique and Exotic Cuts Are Priced Differently From Round Brilliants

Antique and exotic diamond cuts carry a real per-carat premium over round brilliants and modern fancy shapes — and it's rooted in tooling and craftsmanship time, not arbitrary markup. Here's how to understand the tiers and set expectations before you quote a custom piece.

How to Buy Lab-Grown Diamonds Wholesale: Trade Accounts
16 min read

How to Buy Lab-Grown Diamonds Wholesale: Trade Accounts

A plain-English guide for jewelers, designers, and manufacturers: how to open a wholesale lab-grown diamond account, what order minimums really apply, memo terms, and how to get the loose-stone list.

Same-Day Loose Lab-Grown Diamonds: A US-Inventory Edge
21 min read

Same-Day Loose Lab-Grown Diamonds: A US-Inventory Edge

Why the fastest lab-grown diamond supplier is the one holding certified stones in US inventory: 24-hour domestic shipping versus 1-3 weeks plus customs overseas, and how that protects custom deadlines and locks your price.