These are earrings featuring four strands of Herkimer diamonds from New York. The crystals are beautiful, but the Herkimer diamonds sparkle refreshingly and are very pretty. The shape is rough rock (each one has a different shape). Length from the hook: approximately 4 cm Earring hooks: K18 yellow gold (stamped, but difficult to see) Pins and wire: K14GF After use, please gently wipe with a soft cloth.