This fancy designer diamond and blue topaz engagement ring setting with side stone accents is crafted in 18kt White Gold. Two December Birthstone gem's sit on each side of the six-prong mounting that is interchangeable with other heads. A total of 10 brilliant cut round diamonds, 5 on each side of the mount, also accent the 3-stone bridal ring. The natural and genuine colored gemstone blue topaz are set in a prong setting. The G-H/VS diamonds are set in a channel setting.Design your own engagement ring with a center stone of your choice carat weight and shape. Product Information Style Number UB1426 Metal 18k White Gold Stone s Blue Topaz, Diamond Gender Women's Width 2.82mm Top Width , 2.34mm Bottom Width Total Carat Weight 0.50 Side Stone Information 1 Stone Blue Topaz Shape Round Clarity Eye Clean Color Blue Setting Type Prong Carat Weight 0.30 Number Of Stones 2 Side Stone Information 2 Stone Diamond Shape Round