Education

Buying Melee and Calibrated Lab-Grown Diamonds ...

A wholesale buyer’s guide to lab-grown melee and calibrated stones: pricing by size range, millimeter standards, matching criteria for pavé, loss allowance and sample tray evaluation.

Grading Loose Lab-Grown Diamonds at Scale: The ...

How the 4Cs work differently in wholesale: lot consistency, color batch drift, clarity sampling, cut standards, receiving workflow and how to agree grading tolerances with your supplier.

IGI, GIA and GCAL Certificates for Wholesale La...

How wholesale buyers should read and verify IGI, GIA and GCAL certificates for lab-grown diamonds: report fields, laser inscription checks, anti-swap measures and delivery options.

HPHT vs CVD Lab-Grown Diamonds: A Technical Sou...

A buyer-focused comparison of HPHT and CVD lab-grown diamonds: growth principles, cost structure, clarity and color behavior, post-growth treatments, and a sourcing checklist.