This 10k white gold ring features a 2.50 ct. t.w. cushion shaped blue topaz with 0.06 ct. t.w. diamond accent and measures 13-mm. x 8-mm. Almost all gemstones have been treated to enhance their color and require special care. Shared prongs setting 1 Blue Topaz and 6 Diamonds Imported Care Clean with a soft bristle brush and warm soapy water. Use gold polishing cloth on gold items.