This exquisite vintage engraved Art Deco platinum engagement ring mounting design for a 1/2 carat diamond features a secure four prong filigree crown setting as the perfect frame for your diamond or gemstone. The band is finely decorated with an heirloom engraved scroll pattern on the three outward facing sides of the ring, with beaded millgrain on the edges for the perfect touch of shimmer.This 1/2 carat platinum engagement ring mounting is sold without a stone, and can securely accommodate stone shapes ( round, cushion, princess, asscher, rad