Made in Pure 92.5 % Sterling Silver. BIS hallmarking stamp will be on the product itself. Finest Quality Swiss Zirconia - As brilliant As Diamond. Sparkle of our specially cut zirconia is very much equivalent to Real Diamond and even professionals can not differentiate with naked eyes whether it is Zirconia or Diamond. 2 Microns Thick Nickel Free Rhodium Plating is done to give long lasting shine. Product comes in a very elegant gift box with Clara Authenticity Card. This gift will be cherished for a very long time by your loved one. SCREW BACK system gives this pair of earring a more Real Look. SCREW BACK also increases Safety and Comfort while wearing.