A ruby, diamond and sapphire ring The central oval cabochon ruby set within a calibre-cut ruby cluster to a further brilliant-cut diamond cluster accented to the shoulders by similarly cut diamonds and sugarloaf sapphire points, ring size M.
Platinum Burma Ruby and Diamond Deco Ring. An oval Burma ruby weighing approximately carats, with accompanying GIA report stating that there are no indications of heat treatment, is surrounded by single cut diamonds in a geometric platinum mounting.
AN ART DECO DIAMOND AND RUBY RING Centering upon an old mine-cut diamond, within a vari-cut ruby and old European-cut diamond heart-shaped surround, to the pierced old European-cut diamond shoulders, mounted in platinum, circa 1920
1925 Flip: Kinetic Diamond Ruby Sapphire Ring - both rings of stones flip to diamonds on the reverse, and the center stone reverses to a diamond as well! Kinetic and Pop art in the Roaring Twenties! - The Three Graces