Rose quartz American earrings made of 18K (K18) material. The post has a "K18" stamp. These earrings will dangle and look cute around your ears. ・Material: K18 (18K gold) ・Total weight: 1.0g ・Marking: Stamped on the post I have lost the case and warranty. I am not a specialist, so please understand that there may be errors in the description and display. We recommend that those who are concerned purchase from a specialist store. We are very sorry, but please refrain from price negotiations (__)