Alexandrite Engagement Ring Rose Gold Oval Ring June Birthstone Color Change Stone Wedding Anniversary Jewelry One of a Kind Ring for WomenThe Alexandrite ring Often described by gem aficionados as emerald by day, ruby by night, alexandrite is the very rare color change variety of the mineral chrysoberyl. That is why the color of Alexandrite changes under different lighting conditions. DETAILS: Material : 925 Sterling Silver (Hypoallergenic, Nickel Free, Tarnish Resistant) Main stone : 6x8mm Oval Lab created Alexandrite Ring Accent Stone : marquise 2*4 mm and 1. 5*3 mm Simulated Diamonds