This sterling silver ring features a 3.75 ct. t.w. smokey quartz with 0.01 ct. t.w. diamond accent and measures 13-mm. x 12-mm. Almost all gemstones have been treated to enhance their color and require special care. Prong setting 1 Smokey Quartz and 2 Diamonds Imported Care Clean with a soft bristle brush and warm soapy water. Use silver polishing cloth on silver items.