This bridal 3-stone blue sapphire and diamond engagement ring setting is crafted in a classic 18kt Yellow Gold prong and channel setting. The side stone accented colored gemstone bridal ring showcases 2 September Birthstones that sit beside a selectable diamond center stone mounting.A total of 10 round brilliant cut diamonds, 5 on each side of the mount, also accent the ring.Design your own engagement ring with a center stone of your choice carat weight and shape. Product Information Style Number U362 Metal 18k Yellow Gold Stone s Blue Sapphire, Diamond Gender Women's Width 2.82mm Top Width , 2.34mm Bottom Width Total Carat Weight 0.50 Side Stone Information 1 Stone Sapphire Shape Round Clarity Eye Clean Color Blue Setting Type Prong Carat Weight 0.45 Number Of Stones 2 Side Stone Information 2 Stone Diamond Shape Round Clarity VS2-SI1