the central oval facetted ruby between old European cut diamonds, two smaller rubies to either side and diamond line shoulders to the half hoop, open set in gold and with platinum to the diamonds settings, stamped '18CT PLAT', accompanied by GPL report no. 19749 for the rubies giving a Burma origin opinion and that they show no evidence of heat treatment Width maximum at head 8mm
Length half hoop 21mm Weight: 5.5g
Antique three stone turquoise and diamond cluster ring, c.1900, the three graduated oval cabochon turquoise bordered by single cut diamonds, coronet claw set in gold, fluted shoulders, gold shank
Late 18th / early 19th century pear shaped emerald and diamond cluster ring, c.1800, the Colombian emerald of step cut and elongated outline, open set and inverted within a heart shaped border of old cut diamonds,