Black Hills Gold Necklace - Cross Jewelry Black Hills Gold. $164.50. 10k Gold Cross base, with 12k rose-gold and 12k green-gold large grape leaves form the arms.. Absolutely Georgous!! Authentic Black Hills Gold Cross Necklace.. Lifetime Warranty from the manufacture. It comes attached to an 18 inch 14k Gold Filed Rope chain with a spring-ring clasp for ease and comfort.. In the center of the cross is a rose-gold Rose with one leaf. 10k gold bail. A Best Seller.