Natural Pearl, Emerald, Ruby and Diamond Necklace - Sotheby's

Composed of 22 natural pearls measuring approximately 8.6 to 6.1 mm, spaced by 22 graduating fluted emerald beads and 44 ruby bead rondelles, completed by a clasp accented with small rose-cut diamonds, length 22 inches. Estimation: 250,000 - 350,000 USD

Accompanied by GIA report no. 5141705293 stating that the pearls are predominantly natural, saltwater.

otheby's. Magnificent Jewels. New York | 05 déc. 2012, www.sothebys.com