Private collector acquires - through Sotheby’s Diamonds - The Largest D Flawless Round Brilliant in the World. 102.34 carats, The World’s Largest-Known Round, D Colour, Flawless Diamond. Price paid per carat far exceeds that for any colourless diamond...

Lot 200. A perfect 45.46 carats, D colour, Flawless clarity Type IIa round brilliant-cut diamond. Estimate CHF 6,250,000 - CHF 7,250,000 (USD 6,301,482 - USD 7,309,720 ) . Photo Christie's Images Ltd 2016. The round brilliant-cut diamond, weighing approximately...