This vintage red ruby glass Masonic ring features polished, structurally simple shoulders, and a simple rectangular shape. The center is a classic red ruby glass cabochon, inlaid with the gold Masonic symbol, with a nice flat profile. Metal: 10K Yellow Gold Gem: Ruby Glass Gem Measurements: 12.0 x 10.1 mm, Rectangle Ring Size: 12.50 Marks: "10K" Stamped on the inside band