Gubelin Certified 5.65 Carat Untreated No Oil Colombian Emerald RingShowcasing a magnificent investment grade 5 carat Gubelin certified no oil/untreated Colombian emerald.The color is Vivid Green which is the best saturation, it’s a super clean stone with excellent crystal.The mounting consists of 2 colorless trapezoids weighing 0.65 carats set in Platinum and 18 carats yellow gold.No oil emeralds green are very rare, and therefore very valuable.For that reason, they are often found in museums, and in the hands of passionate collectors and investors.CreatorAntinori Fine JewelsRing Size6.5 US, Resizable(Size Guide)Metal18k Gold,PlatinumStoneDiamond,White Diamond,EmeraldStone CutCushion CutWeight5.65 ctStyleModern