A wonderful Ruby and Diamond ring made by Shreve & Co. of San Francisco in the 1960's. The piece is hallmarked "Shreve & Co., 18k, 750, Italy". It consists of a woven, 18k gold dome with a drape of rubies and diamonds set in 18k white gold over it. Consisting of 22 fully cut round AA grade rubies that are all very well matched and have a wonderful rich raspberry hue. Rubies measure from 2mm round to 3mm round. And 12 single cut round brilliant diamonds measuring from 1mm to 1.5mm round and G in color and SI-2 in clarity for a total diamond weight of .15ct. The ring weighs 12.3gm.