Cushion Cut Blue Stone Silvertone Cocktail Ring Emani's Cushion Cut Blue Lapis Silver Cocktail Ring is a stunning sight to be seen! Silver plated, brass based metal design features a Simulated onyx cushion cut center stone that measures 3.87-carats. Please note: each item will vary slightly. This ring is composed of Simulated onyx. As such, it will have natural inclusions . Handmade in India with excellent attention to detail payed, which can be seen in the etching and hammering techniques used on the metal.