A Gorgeous GIA Certified “FLASH EFFECT” 12.15 Carat Natural UNHEATED Demantoid Garnet and Diamond Cocktail Ring. Featuring exceptionally rare Near Flawless VVS-VS Clarity stunning “Yellowish Green” Demantoid Garnets displaying the characteristic vivid flash phenomenon with incomparable brilliance and fire. Known by collectors as the most expensive kind of garnet and one of the most precious of all gemstones…The…