This 1.38 ct. t.w. black diamond bridal ring set crafted in 10k white gold features an engagement ring with a 1.00 ct. t.w. round cut, center diamond enhanced with round cut side diamonds and measures 23-mm. x 9-mm. with a matching wedding band. Prong and pave setting 42 Black Diamonds Imported Care Clean with a soft bristle brush and warm soapy water. Use gold polishing cloth on gold items.