10k Yellow Gold Emerald Cut Leverback Earrings An emerald cut gemstone is the heart of these compelling earrings, whose 10k gold setting lends contrast and class to these brilliant stones. Blue Topaz is December&#39 s birthstone. The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture. Gemstones may have been treated to improve their appearance or durability and may require special care. Imported