Jadeite, Diamond, Onyx and Enamel Pendant-Necklace, Circa 1925. photo Sotheby's

The pendant composed of a carved jadeite plaque, circa 1900, depicting scholar's ornaments and auspicious emblems, surmounted by a geometric platinum openwork plaque set with single-cut diamonds weighing approximately 1.05 carats, and onyx tablets, suspended from a white gold chain composed of jadeite beads measuring approximately 4.5 mm, and white gold links applied with black enamel, length 20 inches. Estimate 5,000—7,000 USD. Lot Sold 12,500 USD

Pair of Platinum, Jadeite and Diamond Pendant-Earrings, Circa 1925. photo Sotheby's

The pendants composed of carved jadeite segments depicting fruit-bearing branches, surmounted by old European-cut and single-cut diamonds weighing approximately 1.85 carats. Estimate 6,000—8,000 USD. Lot Sold 37,500 USD

Sotheby's. Important Jewels, 02 Feb 11, New York www.sothebys.com