Solid gold or silver tube ring that hooks on both sides around a central rectangular cabochon stone held in a bezel setting. Possible stones include aqua chalcedony, blue lapis lazuli, rose quartz, black onyx and purple amethyst. Luxury 14k Yellow Gold Turquoise Ring, Timeless Adjustable Rectangular Jewelry, Elegant Adjustable Gold Turquoise Ring, Timeless Yellow Gold Jewelry With Rectangular Stone, Heirloom Yellow Gold Turquoise Ring For Formal Occasions, Timeless Cabochon Ring, Stackable Rectangular Rings For Formal Occasions, Formal Rectangular Stackable Rings, Sterling Silver Turquoise Ring In Yellow Gold