Two Platinum, Carved Jadeite and Diamond Brooch, Circa 1925

Platinum, Carved Jadeite and Diamond Brooch, Circa 1925.  Photo Sotheby's

Set with an oval pierced plaque of brilliant emerald green color, carved in a relief of flower and peach motif, within a platinum frame set with baguette and old European-cut diamonds. Estimate 9,000—12,000 USD. Lot Sold 22,500 USD

Platinum, Jadeite and Diamond Brooch, Black Starr & Frost, Circa 1925. Photo Sotheby's

Composed of carved jadeite plaques of foliate design, set in the center with a marquise-shaped diamond weighing approximately .75 carat, accented by old European-cut, single-cut and window-shaped diamonds weighing approximately 4.30 carats, signed B.S.&F. Estimate 6,000—8,000 USD. Lot Sold 9,375 USD

Sotheby's. Magnificent Jewels,  14 Apr 11, New York www.sothebys.com