Updated as of June 2026

Diamond and gemstone education

The fundamentals that decide beauty, value, and what to spend on.

Diamond Cut Guide

Cut is the biggest driver of sparkle, more than carat or…

Diamond Color Guide

Color grades how close a white diamond is to colorless, on…

Diamond Clarity Guide

Clarity grades the tiny inclusions inside a stone, from…

Diamond Carat Guide

Carat is weight, not size. Cut and shape change how large…

How to Choose a Gemstone

Color, cut, clarity, carat, treatment, and durability…

Gemstone Shapes

Every cut compared