World’s Largest Square Emerald Cut Diamond

The 302.37ct Graff Lesedi La Rona, is the world’s largest square emerald cut diamond.

Watch the transformation of the 302.37 carat Graff Lesedi La Rona, the largest square emerald cut diamond in the world and the largest highest clarity, highest color square emerald cut diamond ever certified by the GIA.



Graff have taken the Lesedia La Rona rough diamond (1,109 carats) on an incredible journey. Having acquired the largest rough diamond discovered in over 100 years, the second largest in history, Graff master craftsmen began meticulous planning to create a spectacular collection of jewels.

World’s Largest Square Emerald Cut Diamond

Initially cutting and polishing 66 exquisite satellite diamonds and planning for one principal diamond of unprecedented size, Graff’s world leading team of gemmologists and master polishers spent 18 months expertly planning, cutting and polishing the rough diamond using pioneering technologies, ultimately resulting in an historic moment in diamond history – The Graff Lesedi La Rona, 302.37 carats. The world’s largest highest color, highest clarity square emerald cut diamond ever certified by the Gemological Institute Of America (GIA).

World’s Largest Square Emerald Cut Diamond



“My love affair with diamonds is life-long, and crafting the Graff Lesedi La Rona has been an honour – it is beyond words.” – Laurence Graff

See the full story at graff.com