Pair of Antique Gold, Black Onyx, Turquoise and Diamond Pendant-Earrings. Photo: Courtesy Doyle New York

Topped by 2 collet-set old-mine cut diamonds, joined by 2 round cabochon black onyx buttons approximately 19.8 mm., encircled by numerous small round turquoise, flanked by 4 small old European-cut diamonds, suspending 2 drop-shaped black onyx pendants approximately 33.0 x 8.8 mm., with gold and turquoise caps, the reverse with delicate gold wirework.  Estimate $3,000-4,000

Doyle New York. Important Estate Jewelry - Wednesday, September 21, 2011 at 10am. www.doylenewyork.com