A Fine Art Deco Platinum, Burmese Sapphire and Diamond Brooch, of octagonal form in an intricate openwork design, containing two old European cut diamonds weighing approximately 1.56 carats total, two old European cut diamonds weighing approximately 0.50 carat total, together with five Burmese cushion cut sapphires weighing approximately 1.21, 1.15, 1.05, 1.00, and 0.80 carat respectively, and one Cambodian cushion cut sapphire weighing approximately 0.94 carat.Accompanied by an American Gemological Laboratories sapphire identification certificate number CS 69680, dated August 24, 2015, stating that all six sapphires in this brooch are Mineral Type: Natural Corundum, Variety: Sapphire, Enhancement: No gemological evidence of heat or clarity enhancement; Furthermore, that five of the sapphires in this brooch are Origin: Burma (Myanmar) and the remaining stone Cambodia (Pailin). 5.50 dwts.