Pink diamonds are incredibly rare and highly coveted, making it unsurprising that a ring like this is hitting headlines. On 6 November, Phillips will host The Geneva Jewels Auction: ONE, featuring a striking Fancy Intense Pink diamond ring valued at CHF 10-15 million (£9 - 13.5 million). Weighing 20.19 carats, this gem stands as Phillips' most valuable offering to date and ranks as the fourth largest Fancy Intense Pink diamond ever brought to auction.
Pink diamonds fall under the category of coloured diamonds. The diamonds vary in hues, with pink, blue, red, and green being among the most exceptionally rare and prized. Pink diamonds are thought to originate from distortions in the crystal lattice of the diamond, a result of intense heat and great pressure following the stone's formation within the Earth.
See also: Barnebys’ Guide to Diamonds
Apart from the exceptional pink diamond, other coloured diamonds, including a Fancy Intense Yellow diamond ring (54.27 ct), a Very Light Blue diamond ring (1.33 ct), and a Fancy Intense Blue diamond ring (0.72 carat) will also go on sale on 6 November.
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The Geneva Jewels Auction: ONE also offers earrings from French jeweller Sterlé, studded with natural pearls and brilliant-cut and marquise-cut diamonds. Other exciting jewellery is the Van Cleef & Arpels Ballerina brooch with yellow sapphires and diamonds.
See also: The World's 10 Most Expensive Diamonds
For the auction, Phillips has selected five contemporary designers, with each designer showcasing two distinctive pieces of jewellery that reflect their individual design and philosophies. Among them are Dries Criel's Lotus bangle and Maison Alix Dumas' Eternité d'Or gold ring.
See also: Gemstones: 5 Interesting Facts
The preview will run until the day of the auction at the Ritz-Carlton Hôtel de la Paix in Geneva, and the auction is held on 6 November at Hôtel La Réserve.
