Vogati 2.45 Cts Diamond & 8 mm AAA Cush Check London Blue Topaz Ring in 14KW Great gift for a December born. Blue Topaz is the December Birthstone. The ring has the finest AAA quality dark-blue gemstone. The London Blue Topaz is natural Topaz treated to get the color. The white diamonds are H-SI color-clarity. 30 Day No questions asked Return Policy Free-Shipping within US December Birthstone/Anniversary/Birthday Gift