This flawless Oval diamond sold at Sotheby's Hong Kong in October 2013 for $30.6m, taking the world record for the highest price ever paid for a colourless diamond at auction.
This flawless Oval diamond sold at Sotheby's Hong Kong in October 2013 for $30.6m, taking the world record for the highest price ever paid for a colourless diamond at auction.
This flawless oval diamond sold at Sotheby's Hong Kong in October 2013 for $30.6m, taking the world record for the highest price ever paid for a colourless diamond at auction.
