K18 hoop earrings with black onyx for a cool and elegant impression. - Model: K18 earrings - Size: Outer measurement 3.0mm - Material: 18K gold, black onyx - Design: Hoop earrings, gold pipe - Style: Casual, elegant These are very lovely earrings. They are stylish for everyday wear and special occasions, and they go with anything. Gold prices are rising, so I think this is a good deal. Thank you for looking. No scratches or discoloration.