The 118.78 carat type IIa diamond with no fluorescence and an excellent polish and symmetry. Is a record for a heart shape.
The diamond was polished from a 357 carat rough recovered at the Letšeng mine in Lesotho in 2015.
Gem Diamonds sold the rough for $19.3 million to an undisclosed buyer in September that year.
Laurence Graff said “It is the most beautiful heart shape diamond I have ever seen.