This phenomenal antique engagement ring is set with a sparkling .20 carat, H color, Si2 clarity diamond. The dazzling stone is framed by trillium cut sapphires. Abstract organic filigree frosted in delicate milgrain adorns the sides of the ring. The Art Deco ring is crafted of 18K white gold and measures 8.19 mm in width. Circa: 1920. Size 6 1/2. We can re-size.