This certified ruby and diamond heart necklace is a sweet way to express your love and affection. 10k yellow gold a tilted princess-cut red ruby and two round rubies create the romantic heart shape diamonds add a touch of shimmer certified rubies; 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 necklace; lobster claw clasp