Where Can You Buy Diamonds May 2026

Before buying, you must understand the four key characteristics that determine a diamond's value:

: Always request a grading report from a reputable lab like the Gemological Institute of America (GIA) or IGI. This is your "C" for Certificate —proof of the diamond's quality.

How to Buy a Diamond by Fred Cuellar (available at Barnes & Noble ): Covers wholesaler secrets and pricing charts.

: The diamond's weight. Prices jump at full-carat marks, so "buying shy" (e.g., 0.9 carats instead of 1.0) can save you money without a noticeable visual difference. 3. Verification and Safety