Black Hills Gold Women's Diamond Rose Ring Beautiful! Authentic Black Hills Gold Diamond Rose ring.10k Gold with 12k Pink& Green Gold grape leaves. Center Diamond is .03 CT Ladies of all ages just love this ring. This Ring style has been a very popular style. To be considered Black Hills Gold an item must be designed in a traditional tri-gold, grape leaf motif and be manufactured in the Black Hills of South Dakota. Lifetime warranty from the manufacture.