This lab grown diamond necklace features one marquise shape lab grown diamond in G-H color, VS2 clarity weighing approximately 1 carat. This necklace is available in sterling silver and 14k yellow gold over sterling silver and has an 18 inch cable chain with a spring-ring clasp. Lobster closure, 1 Clarity rating: VS Polished finish Prong setting Choking hazard Warranty available, Limited liability warranty, 60 days USA Imported Product Specifications 10mm 1-2 ct. t.w. Material & Care Metal, Sterling silver Clean with a soft bristle brush or cloth and warm soapy water.