--- title: "Color" description: "Diamond color measures the subtle tint present in a diamond. Learn how the D–Z color scale works, what color grades look white to the eye, and how Ada Diamonds evaluates lab diamonds for brightness and undesirable color undertones." canonical: "https://www.adadiamonds.com/knowledge-base/4cs-lab-diamond-color-explained" author: "Ada Diamonds" last-updated: "2026-04-02" --- # Color > Diamond color measures the subtle tint present in a diamond. Learn how the D–Z color scale works, what color grades look white to the eye, and how Ada Diamonds evaluates lab diamonds for brightness and undesirable color undertones. **Author:** Ada Diamonds · **Published:** 2026-04-02 Explore This Guide Explore our Guides --- Canonical URL: