Lot 222. 18 Karat White Gold, Natural Pearl and Diamond Necklace. Estimate 30,000 — 50,000 USD. Photo Sotheby's

The double-strand necklace of graduated design composed of 153 pearls measuring approximately 11.0 by 10.1 mm to 3.3 mm, the clasp accented by round diamonds weighing approximately .10 carat, length 17¾ inches.

Accompanied by GIA report no. 5172517609 stating that the pearls are natural, with 150 pearls of saltwater origin and 3 pearls of freshwater origin.