Wonderful vintage Art Deco 14k white gold filigree camphor glass, black onyx, and diamond ring, size 7.5. Measures 7/8" x 9/16", band tapers to 1.8mm at the back of the ring shank. Weighs 4 grams. Gorgeous well detailed filigree and bezel set stones. The camphor glass is sunburst etched. Round faceted single cut 1.5mm diamond in the center surrounded by a 5mm ring of black onyx. Hallmarked as well as maker marked inside the ring shank "14K M.R.". In outstanding extremely well babied condition, circa 1930s.
About the maker: Morris Rubin Manufacturing Jewelers Corp.- New York, New York. Established as early as 1925. Manufacturers of platinum and white gold dinner rings and single stone rings.