metal masters co. sterling silver 925 meghan markle 14k gold plated cushion cubic zirconia wedding engagement ring 7 metal masters co. this designer inspired meghan markle wedding ring is made out of 925 sterling silver and is set with clear cubic zirconia and white-created opal. the band shimmers with a high polish rhodium plated finish. high-quality aaa grade 3.5 carat full cushion cut cubic zirconia center (not checker cut) with 0.5 carat side stones. crafted of fine, solid sterling silver 925. 14k gold plated / nickel free, rhodium plated 925 stamp. the band measures 3.5mm in width.