Earrings by John Field These mismatching ear studs are made from sterling silver. One features a gemstone and the other ear stud features some brass decoration. We design the stencils and stamps that are embossed into the silver. We offer a choice of twelve different gemstones to choose from, which are, Amber, Amethyst, Pink corundum, Garnet, Lapis lazuli, White moonstone, Blue spinel, Green spinel, Man-made Opal triplets nos.3, 6, 8, Turquoise. Please choose your favourite stone from the 'Finish' drop down menu above. Features Primary Material : silver Other Materials : brass and garnet Fitting Type : Post Dimensions (mm) : 13x13x1 One of a Kind : No Metal : silver Gems : garnet Hallmarked : No Wire Material : silver Cleaning InstructionsThese silver earring studs are coated with a protective layer which helps to prevent tarnishing.