$3,555
Sapphire and Diamond Ring, Paolo Costagli, prong-set with a cushion-cut sapphire weighing 3. 33 cts., flanked by fancy-shape pink sapphires, further set with full-cut diamond melee, platinum and 18kt gold mount, size 6, signed. Note: Accompanied by GRS report no. GRS2005-061233, dated July 5, 2005, stating that the sapphire is natural, with no indications of thermal treatment, origin Burma. Also with GIA report no. 14587423, dated October 12, 2005, stating that the sapphire is natural, with no evidence of heat treatment.
Auctioneer:
Skinner
Date:
2011-09-13