Description Malachite Cabochon Bypass Ring This classic elegant design features a natural 8mm round malachite cabochon, showcasing the stone’s signature deep green bands. Each gemstone varies in the markings and banding, so each one is sure to be unique. Available in sterling silver, 10kt, and 14kt gold. Ring sizes 4 – 11 *Please note our white gold is not plated and is a warm vanilla white.