This lab grown diamond engagement ring features one 2 carat center lab grown diamond in G-H color, VS clarity. It is surrounded by two 1 carat lab grown diamonds totaling 2 carats. Total carat weight is 4 carats. This ring is in sterling silver. 3 Clarity rating: VS2 Polished finish Prong setting Warranty available, Limited liability warranty, 60 days USA Imported Product Specifications 20x8mm 4 Material & Care Metal, Sterling silver Clean with a soft bristle brush or cloth and warm soapy water.