14K White Gold .42ctw Diamond and 17.80ctw Blue Topaz Ring Product Details: Four bold prongs of 14K white gold secure this 17.80 carat blue topaz at the center of this brilliantly elegant design. The multifaceted cut of the center gemstone intensifies the stone's shimmering sky blue color. A halo of demi-pave set diamonds surrounds the radiant blue topaz with an illuminating brilliance. A smooth and polished shank of 14K white gold completes the enchanting elegance of this beautiful design. Ring Fancy Cushions, Diamond Halo Ring, Halo Diamond Ring, 14k White Gold Ring, Blue Topaz Ring, Halo Ring, Diamond Halo, Halo Rings, Topaz Ring