CORE JEWELS black diamond 18k earrings. Rose cut natural diamond earrings, made of K18 gold. - Gemstone Type: Natural Diamond - Cut Style: Rose cut - Weight: 0.30 ct - Mounting Material: K18 Gold - Color Treatment: Black heated - GGS No.: AH6361 Thank you for viewing. Unused, so in beautiful condition. Thank you for your consideration. The guarantee card has been found, so I have added it to the images. Please consider it. Due to the nature of the product, please understand that transactions are non-refundable, non-returnable, and non-exchangeable (3N) to prevent switching of items.