A rare Emerald shape 100.20 ct diamond, originally mined in South Africa by De Beers will showcase the Sotheby’s Auction.
The diamond is one of only six of equal quality ever to be sold at auction, and could sell for $25 million.
The size, quality of the cut and colour make this gem extremely rare because the stone is type IIa stone D colour, internally flawless.
Original polished out of rough weighing over 200 cts.