Edwardian Synthetic Ruby, Ruby, and Diamond Pendant, Retailed by Koch, centering a pear-shaped synthetic ruby measuring approx. 9.00 x 5.40 x 3.90 mm, set in a flexible mount framed by rose-cut diamond melee, further set with circular-cut rubies and rose-cut diamond melee, millegrain accents, platinum-topped gold mount, suspended from a platinum delicate baton link chain, spaced by old European-cut diamonds, approx. total diamond wt. 2.10 cts., lg. 2, 16 in., within a signed fitted box.