Gorgeous black hills gold mothers ring by Mt.Rushmore Black Hills Gold. Created in 10k gold, this pretty black hills gold ring is accented with 12k gold pink and green leaves. The ring can be customized to hold from 2 to 6 genuine or synthetic 3.5 MM birthstones. Mt. Rushmore Black Hills Jewelry handcrafts each piece of Black Hills jewelry with quality and precision, and guarantees your jewelry to be free from any manufacturing defects.