This moissanite engagement ring features one hundred percent real moissanite and black onyx. The moissanite is D color VVS1 clarity, as hard and shiny as natural diamond, and will not tarnish or discolor. Crafted from nine twenty five sterling silver with eighteen k white gold plating, it is hypoallergenic and nickel free. Each ring is meticulously handcrafted for a smooth, classic design. It makes a perfect gift and is backed by a ninety day guarantee with excellent customer service.