6 square emerald cut stones, each weighing more than 3 carats

It is a stepped square cut, often called the "square emerald cut" and like an emerald cut, the Asscher has cropped corners.

It is a stepped square cut, often called the “square emerald cut” and like an emerald cut, the Asscher has cropped corners.

6 square emerald cut diamonds, each over 3 carats, totalling more than 18 carats

May 26, 2015 — IGI Hong Kong reports that this week it certified what it believes is the world’s largest HPHT-grown colorless diamond, a 10.02 carat Square Emerald Cut.

6 square emerald cut stones, each weighing more than 3 carats

Graff unveil the largest square emerald-cut diamond in the world

It is a stepped square cut, often called the "square emerald cut" and like an emerald cut, the Asscher has cropped corners.

It is a stepped square cut, often called the “square emerald cut” and like an emerald cut, the Asscher has cropped corners.

This superb and exceptional shape is almost identical to the emerald size, but it is square.

This superb and exceptional shape is almost identical to the emerald size, but it is square.

6 square emerald cut diamonds, each over 3 carats, totalling more than 18 carats

On her left hand is her engagement ring—a large square-cut emerald, re-created by Cartier.

Certified Emerald of Colombia - Emerald of Madagascar - Emerald of Zambia

This emerald of 15.93 carats, almost square and very thin, is accompanied by fourteen other emeralds, two of which are fixed on both sides.