Antique Right Hand Ring Art Deco 1.68 Carat of Old Mine Cushion & Single Cut Diamonds in PlatinumA double halo of single cut diamonds surround a charming . 56ct Old Mine Cushion Cut, with more diamonds set down the shank. Made during the Art Deco era, this ring was cast in platinum allowing the flowing lines and intricate detailing to really give this ring character. Made with a fairly low profile, this ring sits low to the finger and is very comfortable.