Brooches by John & Dawn Field This brooch is made from sterling silver and measures 45mm in diameter and it features a 10mm Garnet gemstone. The circle pattern was designed by us and it has been embossed into the silver by hand to create a beautiful surface pattern. This silver brooch is slightly domed in shape and our maker's mark 'J D F' and a '925' sterling silver mark are stamped into the silver on the back of the brooch.This brooch is available with a choice of gemstones, which are, Garnet, Amber, Turquoise, Amethyst, Blue Chalcedony, White Moonstone, Light green chalcedony, Rainbow moonstone and Blue opal triplet, lab. grown. Please select from the 'Finish' drop-down menu. Features Primary Material : Sterling silver Other Materials : Garnet Pin Type : pin Dimensions (mm) : 45 One of a Kind : No Metal : Sterling silver Gems : Garnet Hallmarked : No Cleaning InstructionsThis brooch has been finished with a clear, protective, anti-tarnish coating.