Store closing — August 23rd - September 2nd, 2026 Beginning August 23rd, Grissom's will be closed for our Annual Summer Break and will Return to Normal Business Hours September 1st, 2026

Diamonds 101

Learn & Explore

Everything you need to know about diamonds. Start with any topic below.

History of Diamonds

From ancient India to the Hope Diamond.

The 4 C's

Cut, Color, Clarity, and Carat Weight.

Choosing Diamonds

How we help you find the right stone.

Lab Certification

GIA, AGS, GCAL and what certification means.

Diamond FAQ

Frequently asked questions — answered by our experts.