2

1

3

Lot 473. 18 Karat White Gold, Carved Sapphire and Diamond Ring, Michele della Valle. Estimate 5,000 — 7,000. Lot sold 10,625 USD. Photo Sotheby's

Of foliate design, set with a carved sapphire with a floral motif on the reverse, accented by pavé-set diamonds, size 6¼signed MdVnumbered 11510

Sotheby's. Fine Jewels, New York, 09 Dec 2016