Sotheby's. Magnificent Jewels New York | 09 Dec 2015.
12 décembre 2015
Platinum, Sapphire and Diamond Ring, Black Starr & Frost
Lot 509. Platinum, 13.76 carats Sapphire and Diamond Ring, circa 1925, Black Starr & Frost. Estimate 300,000 — 500,000 USD. Lot sold 394,000 USD. Photo Sotheby's
Set with an emerald-cut sapphire weighing 13.76 carats, the mounting decorated with round and single-cut diamonds weighing approximately .45 carat, size 5½, signed B,S&F; circa 1925.
Accompanied by AGL report no. CS 68622 stating that the sapphire is of Classic Ceylon origin, with no indications of heating.
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