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18 karat gold, synthetic ruby, ruby, emerald bead and diamond bracelet, Michele Della Valle. Photo: Sotheby's.

Composed of ten strands of emerald beads, the clasp centered by an emerald-cut synthetic ruby and numerous round rubies, accented by round diamonds weighing approximately .80 carat, length 7¼ inches, signed Michele della Valle. Estimation 5,000 — 7,000 USD 

Sotheby's. Important Jewels. New York | 24 sept. 2013 - http://www.sothebys.com