Diamond education

Understand a diamond before you choose one.

Turn a real 3D diamond in your hands. Change its cut, color, clarity and weight, and see for yourself what every grade on a certificate means.

Round · 1.50 ct · E · VS1

Six things decide how a diamond looks.

Each one opens in the simulator, on the same stone, so you can compare.

The one grade made by people, not nature. It decides how much light comes back to your eye, and it matters more than any other.

From icy D to warm Z, then on into fancy pinks, blues and yellows. See where a tint starts to show.

Tiny crystals and feathers inside the stone. Find out which grades you can actually see without a loupe.

Weight, not size. Compare how a stone grows on the hand as the carats go up, shape by shape.

Some diamonds glow under UV light. Switch on a blacklight and see when that glow helps or hurts.

Table, depth and angles. Drag them and watch a brilliant stone turn dark or glassy.

Ten shapes. Every grade. One stone to compare.