This 10k white gold ring features 1 3/5 ct. t.w. round blue topaz with 0.05 ct. t.w. diamond accent and measures 7mm x 7mm. Almost all gemstones have been treated to enhance their beauty and require special care. Prong Setting 1 Blue Topaz and Diamond Accent Color G-H and Clarity I2-I3 Imported Care Clean with a soft bristle brush and warm soapy water. Use gold polishing cloth on gold items.