A Stunning Antique Black Star Sapphire Ring, Retro Art Deco Gold Setting, c.1950. This antique ring holds a collection of genuine black star sapphires, eight gemstones in all. Each sapphire measures about 4 x 5mm oval. The setting is antique yellow gold, marked for 18K but tests about 12K in gold content. The setting is beautifully made and dates around the Retro Art Deco Era to Mid-Century circa 1950. Overall the ring measures about 1 inch long by about 3/4 inch wide from side to side. Ring Size: about 7 (could be resized by your jeweler or ask me about using mine before shipping). This ring was acquired through an estate collection and is in lovely vintage condition.