Antique Opal and Diamond Pendant mounted in 15K and platinum chain attached, English circa 1900. The Pendant suspending a pear shaped cabochon black opal gauging approx. 9.5 x 6.5 x 2.4 mm, suspended from an open foliate diamond setting with 10 old cut diamonds, approx 0.22ct, total diamond weight, platinum chain attached. Length: approx 16 1/2 inches. Weight: 4.3 gm.