An 18 Karat Yellow Gold and Multi Color Sapphire Ring, containing one oval mixed cut purple sapphire weighing approximately 5.21 carats and six half moon mixed cut yellow sapphires weighing approximately 4.79 carats total.Stamp: 18K GRH.Accompanied by a Gemological Institute of America sapphire identification certificate number 2115179021, dated September 30, 2009, stating Species: Natural Corundum, Variety: Natural Sapphire, Treatment: Heat, Transparency: Transparent, Color: Dark Purple. 5.50 dwts.