Frank Gehry Torque Tiffany Co. Necklace in 18k White Gold. This modern pendant necklace features .30 carats of diamonds finished in 18 karat white gold. Sixty (60) diamonds line the ring of the pendant. The diamonds are colorless and eye clean, reflecting a touch of sparkle and light against the white gold setting. Finished on a classic 17” snake chain, this necklace showcases the ingenuity of Tiffany’s infamous jewelry designer, Frank Gehry.