These gold hexagon stud earrings are the perfect pairing of elegance and playfulness. They feature a thick, durable layer of 14k gold alongside hand-marbled, colorful clay meant to mimic gemstone. Each stud is individually handmade, so variations will occur from piece to piece - that's the magic of these unique studs! Materials: - A thick layer of polished 14k gold plating on a brass base - Hand-marbled sapphire clay - 14k gold plated posts and butterfly backs Hexagon Measurement: 7.5mm x 8.5mm x 2.5mm Other colors available: Amethyst, Aquamarine, Black, Crystal Quartz, Emerald, Rose Quartz, Ruby, Sapphire Shapes available: Hexagon, Triangle, Half-Moon Have a metal allergy? You're in luck! These studs are hypoallergenic and are nickel and lead free. We chose to use a brass base with an extra thick (1 micron thick, to be exact) 14k gold plating making these studs safe for sensitive ears. All Cold Gold earrings are made by hand in small batches in Knoxville, TN.