This is a K18 baby ring from Jewelry Maki. It's a very cute baby ring with an opal and a small diamond on each side. The opal changes to a vibrant green depending on the angle, making it stylish. *The jewelry studio has cleaned and polished it to a sparkling finish. Material: K18 gold, opal, diamonds (selector-certified) Markings: Jewelry Maki logo, K18 Color: Gold Baby ring size: See image 4 Opal size: Approximately 3mm x 3mm No warranty, box, or other accessories are included. It will be carefully packaged with bubble wrap, etc.