4.06 Ct London Blue Topaz Stud Earrings in Platinum Stunning earrings for your lady love. The studs have the finest AAA quality oval London Blue Topaz prong-set in Platinum. The London Blue Topaz is coveted for its deep, rich blue hues which is obtained by treating natural colorless Topaz treated to get the color.. 30 Day No questions asked Return Policy Free-Shipping within US December Birthstone/ Birthday/Anniversary Gift