Birthstone Necklace Layering Perfection. Choose from two birthstone necklace designs - a round cut or a dangling emerald cut gemstone. Perfect for layering, either option adds a classic and elegant touch to any outfit. It also makes a perfect gift and pairs perfectly with the birthstones studs. Also, get creative and stack multiples! * Material: 925 Sterling Silver * Stone: Amethyst * Finish: Polished Silver & 18kt Gold Dipped * Weight: 0.23 oz Including Stone * Length: 16-18 inches Available in different Size USA/CANs. Designed in Boston, MA. Nationwide Shipping with Tracking. Nickel-Free & Lead-Free