18 Karat Two-Color Gold, Pink Sapphire and Diamond Ring, Buccellati - photo Sotheby's

Of bombé form, centered by a cushion-cut pink sapphire weighing approximately 3.25 carats, within openwork surrounds set with round diamonds weighing approximately 1.40 carats, size 4, inclusive of inner sizing spheres, signed Buccellati Italy. Estimation: 18,000 - 22,000 USD

Sotheby's. Important Jewels. New York | 07 févr. 2013 www.sothebys.com