WANT SO BAD $569.90 Fine Jewelry with Carol Brodie London Blue Topaz and Blue Diamond 10K Ring. Double-prong-set for secure style, the piece's cushion-cut Brazilian London blue topaz lights a frame of black rhodium-accented, pavé-set round blue diamonds. Jewellery Rings, Blue Topaz Ring, Topaz Ring, Diamond Ring, Topaz Jewelry, London Blue Topaz, Blue Diamond, Jewelry Rings, Topaz