The Pink Raj, one of the world’s largest pink diamonds, could make up to $30m in Geneva this month.
The Raj Pink is one of the world's largest pink diamonds
The spectacular fancy intense stone weighs 37.3 carats.
David Bennett, chair of Sotheby’s international jewellery division, said: “The discovery of any pink diamond is exceptional, but 'The Raj Pink’'s remarkable size and intensity of colour places it in the rarefied company of the most important pink diamonds known.”
The record for any diamond is $71.2m, set for the enormous 59.6 carat CTF Pink (formerly the Pink Star) in April this year.
The Magnificent Jewels and Noble Jewels sale takes place on November 15.
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