A remarkable 53.14-carat yellow diamond, set in a pendant and expected to reach up to CHF 3.1 million ($3.5 million), will be the star attraction at Phillips’ upcoming Geneva Jewels Auction IV on May 12. The internally flawless, fancy-vivid-yellow diamond, suspended from a round brilliant diamond, will lead the auction’s offerings, which will mark the 100th anniversary of Art Deco with a curated selection of rare and valuable pieces.

Alongside this extraordinary yellow diamond, the auction will feature items from prestigious design houses such as Van Cleef & Arpels, Cartier, Bulgari, Graff, and Buccellati, as well as pieces from renowned collections. Phillips will preview select items in cities including Hong Kong, New York, Singapore, and London.

Benoit Repellin, worldwide head of jewelry for Phillips, expressed excitement about the auction, highlighting the superb collection of colored gemstones and Art Deco masterpieces. Other standout items in the sale include a pair of D-Flawless diamond earrings, a Van Cleef & Arpels ring featuring a 7.10-carat Kashmir sapphire, and a heart-shaped fancy-vivid-orangey-pink diamond ring, among others.

The auction will also offer a range of rare gemstones, including a 122.77-carat Paraiba tourmaline, Burmese rubies, and a Serpenti wristwatch by Bulgari, all of which are expected to attract strong interest from collectors.