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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.

Adding Lab-Grown Jewelry Without Retraining Sales Floor
18 min read

Adding Lab-Grown Jewelry Without Retraining Sales Floor

Adding lab-grown custom jewelry to a natural-diamond floor doesn't require new displays, a second catalog, or a training program — it requires one new question on the order form. Here's what changes and what doesn't.

The True Cost of Speculative Stock vs. Made-to-Order Jewelry
20 min read

The True Cost of Speculative Stock vs. Made-to-Order Jewelry

Carrying speculative finished-jewelry stock costs more than the price tag suggests. Here's how to weigh capital, markdown risk, and storage against made-to-order production — and when each approach is the right call.

Why Melee Pricing Works Differently From Certified Stone Pricing
20 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
21 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.