This sterling siver pendant features 0.80 ct. t.w. of created opals, 0.60 ct. t.w. of blue topaz, 0.10 ct. t.w. of diamonds and measures 21.76-mm. length x 10.53-mm. width on an 18-in. chain. Almost all gemstones have been treated to enhance their color and require special care. Prong setting 1 created opal, 4 blue topaz, 34 diamonds Imported Material & Care Sterling Silver, Blue Topaz, Created Opal, Diamonds Clean with a soft bristle brush or cloth and warm soapy water. Use silver polishing cloth on silver items.