Diamonds occur in an array of colours – from pure whites and soft pinks and blues to vibrant hues of purple and red. No matter the colour, each diamond possesses a unique composition of chemical elements that have the power to dictate rarity, value and desirability. This autumn, Sotheby’s jewellery auctions feature a stunning selection of coloured diamonds, including ‘The Raj Pink,’ the world's largest known fancy intense pink diamond. Click ahead to discover twelve of the finest stones on offer.
Magnificent Jewels & Noble Jewels
15 November Geneva
5 December New York