Twinkling with celestial style, this ruby and diamond crescent moon pendant is simply charming. 10k yellow gold features a diamond-lined crescent moon adorned with a 4. 0mm red ruby at the base certified ruby; includes a gsi qr code and report# tag; scan the qr code or enter the report# online to view the certification details 1/20 ct. T. W. Of diamonds 18. 0-inch cable chain; spring-ring clasp