Antique 18kt Gold, Yellow Sapphire and Diamond Pendant, Tiffany & Co., prong-set with a cushion-shaped faceted yellow sapphire measuring approx. 15.78 x 12.42 x 8.75 mm, framed by twelve old European-cut diamonds, approx. total diamond wt. 6.00 cts., lg. 1 in., signed Tiffany & Co., (later 14kt gold pendant bail, evidence of former pin stem).