Topaz & Diamond Ring, 14K White Gold Mystic Topaz & Diamond Ring, This 14k white gold ring makes a great addition to any jewelry collection and can be worn on many occasions. This ring is prong set with 4 round shape diamonds. The diamonds have a total carat weight of 0.13 carats. The diamonds are GHI color and SI-I1 clarity. There is 1 square shape mystic topaz gemstone on this ring. The gemstone is prong set and has a total carat weight of 7.95 carats. This ring is part of our gemstone collection of jewelry.