Rare stones from Cartier: an array of rare diamonds and precious stones, including a 26.50-carat Colombian emerald and a 29.06-carat sapphire from Kashmir, along with a pigeon’s blood ruby weighing 10.17 carats and a splendid 30.21-carat diamond.

Van Cleef & Arpels, Château Enchanté clip.

Van Cleef & Arpels, Château Enchanté clip.

Wallace Chan, Goddess of Harvest Ring.

Wallace Chan, Now and Always Necklace.

Boucheron, Trésor de Perse Necklace.

Chaumet, Diamond Tiara.

An Art Deco Boucheron Bracelet from Siegelson.

Chanel, Sunset Necklace.

A diamond and platinum foliate necklace by Bulgari.