The legendary Archduke Joseph Diamond, a 76.02ct D, IF Golconda diamond, sold for an impressive $21.5 million at Christie's Geneva in 2012. It holds the world record for the highest price paid per carat for a colourless diamond at auction.
The legendary Archduke Joseph Diamond, a 76.02ct D, IF Golconda diamond, sold for an impressive $21.5 million at Christie's Geneva in 2012. It holds the world record for the highest price paid per carat for a colourless diamond at auction.
The legendary Archduke Joseph Diamond, a 76.02ct D, IF Golconda diamond, sold for an impressive $21.5 million at Christie's Geneva in 2012. It holds the world record for the highest price paid per carat for a colourless diamond at auction.
