A Retro Rose Gold, Platinum, Multi Color Sapphire, Spinel and Diamond Brooch, Birks, containing three cushion cut pink sapphires and one cushion cut pink spinel, all measuring from approximately 8.44 x 6.19 x 4.08 mm up to 10.18 x 7.57 x 4.93 mm, together with four cushion cut yellow sapphires measuring from approximately 8.59 x 6.88 x 4.56 mm up to 10.41 x 7.81 x 5.10 mm, seven round brilliant cut diamonds weighing approximately 0.94 carat total, and 17 round single diamonds weighing approximately 0.45 carat total.Stamp: BIRKS 14K PLAT.Accompanied by an American Gemological Laboratories identification certificate number CS 71152, dated October 27, 2015, stating that the brooch contains four natural yellow sapphires, three natural pink sapphires, and one natural pink spinel, Origin: Ceylon (Sri Lanka), Enhancement: No gemological evidence of heat, Clarity Enhancement: None. 12.80 dwts.