A Gorgeous Antique Color Change Verneuil Sapphire Ring (Alexandrite) with Diamonds, Vintage Art Deco, circa 1920-30s. 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 8x15mm oval. The stone has a color change from more red-violet in artificial light and more blue-violet in the natural light. The sides are flanked with antique single cut diamonds. The setting is beautiful antique Art Deco composed of white gold. Overall this ring measures about 5/8 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 beautiful ring was acquired through a fine local estate collection and is in lovely vintage condition.