Vintage 3.86 CTW No Heat Ceylon Sapphire Diamond Platinum 18 Karat Gold Three Stone Ring GIA K Color Engagement and stamped 18k for 18

and stamped 18k for 18 karat gold

26 carat - H color with VS clarity

and a deeply grooved shank

Stock Number: We-12791

Vintage 3.86 CTW No Heat Ceylon Sapphire Diamond Platinum 18 Karat Gold Three Stone Ring GIA K Color Engagement and stamped 18k for 18Centering an oval cut sapphire weighing 3. 14 carats transparent medium blue Natural Sri Lankan in origin with no indications of heat treatment Prong set in platinum and flanked by round brilliant cut diamonds Weighing approximately 0. 72 carat total H color with VS2 clarity Prong set in platinum baskets and flanked by gold shank Stamped for platinum and 18 karat gold Circa: 1980s Ring size: 4 1 2 and sizable Measures north to south 10. 0 mm and sits