A Gorgeous Antique Color Change Verneuil Sapphire Ring (Alexandrite), Vintage Art Deco, circa 1930s. This beautiful antique ring holds a beautifully faceted color change verneuil sapphire, often referred to as alexandrite because of the characteristic color charge, measuring about 11mm in diameter. The stone has a color change from more red-violet in artificial light and more blue-violet in the natural light. The setting is beautiful antique Art Deco composed of white gold. Overall this ring measures about 1/2 inch long by about 3/4 inch wide from side to side. Ring Size: about 11 (could be resized by your jeweler or ask me about using mine before shipping). This beautiful ring was acquired through a fine local estate collection and is in lovely vintage condition.