"For Sale: (1) H111 Beautiful Cube Shaped Diamond Ring in 18k White Gold from 1930's PLEASE READ ENTIRE DESCRIPTION BEFORE PURCHASING Please see pictures for more details! This gorgeous ring features approx. .06 ct diamond in the center of the ring. The ring has diamond as in the cube in the middle and beautiful design from the sides. This is gorgeous filigree mounting down the side. The ring is stamped 18k. This ring is from the 1930's. A beautiful piece for a any special occasion! What a great