Earrings by John & Dawn Field These mismatching ear studs are the smallest of two that we make in our Asymmetrical range of jewellery. One stud features a gemstone set in a brass bezel and the other an embossed symbol. We design and hand emboss all the symbols that we use, which makes them unique to us.These particular ear studs feature one of our wonderful lab. grown opal triplets but we have a selection of gemstones to choose from. Please select your favourite stone from the 'Finish' drop-down menu. Features Primary Material : sterling silver Other Materials : brass and green spinel gemstone Fitting Type : Post Dimensions (mm) : 10 x 10 One of a Kind : No Metal : sterling silver Gems : green spinel lab. grown Hallmarked : No Wire Material : sterling silver Cleaning InstructionsThese asymmetrical ear studs have been finished with a clear, protective, anti-tarnish coating.