black hills gold silver cross necklace black hills gold black hills gold silver cross necklace. petite hand-engraved, hand-placed, satin finished 12k green and red gold grape leaves on .925 sterling silver base with black antiqued enamel. designed just for you in the black hills of south dakota, usa. comes with a complimentary 18 inch sterling silver rope chain. pendant measures 1.5" x 1“ inches. please allow 15 business days for product to be manufactured. certificate of authenticity and manufacturer’s lifetime warranty against defects in materials and workmanship included. authentic black hills gold jewelry get brighter and prettier the more it is worn. clean our jewelry with a soft brush, mild soap and warm water.