A phenomenal 1.30 carat, H color, Si2 clarity round cut diamond glows from the face of this antique platinum engagement ring. Amazing triangular cutwork set with fine faceted diamonds burst out from the dazzling center stone, while ribbons of additional diamonds drape down the rings shoulders. Each diamond set figural is outlined with delicate milgrain decoration. This spectacular Art Deco ring measures 10.86 mm in width. Circa: 1920. Size 7 1/2. We can re-size.