This Black Hills Gold child's birthstone ring in 10K gold hangs from a 13 curb <em>chain</em> so that is may be worn as a ring or necklace. The ring may be personalized with one genuine birthstone and has green and rose 12K gold leaves. Black Hills Gold Jewelry by Coleman is manufactured in the Black Hills of South Dakota and keeps the traditional style from the 1870's of grape leaves, grape clusters and vines in the designs. Each item comes with a certificate of authenticity and is guaranteed against defects in