K18 Turquoise Hook Earrings, 1 Pair Although there is no K18 hallmark, the quality has been assessed. Post and catch are K18. Body is copper. This is a reference value and not a certificate of authenticity. Discoloration is visible on the stone. Please check the images carefully. Earring length: approximately 1.6 cm Please allow for slight variations as measurements are approximate and taken by a layman. Colors may appear different depending on the lighting. There are fine scratches on the stone. Please understand that these have been stored at home. Thank you for your understanding.