Pair of Art Deco Platinum, Diamond, Black Onyx and Jade Pendant-Earclips. Photo courtesy Doyle New York.

Topped by 2 old European-cut diamonds, joined by elongated scrolled black onyx panels accented by bands of 10 old-mine and single-cut diamonds, suspending 2 drop-shaped jade approximately 26.0 x 11.8 x 5.2 mm., with rose-cut diamond-set caps, circa 1920. Estimate $12,000-18,000 

Doyle New York. Important Jewelry. Wednesday, September 25, 2013 at 10am - http://www.doylenewyork.com