Diamond Mountain is more than a Herkimer diamond mine—We are also a fine mineral sales company! In addition to our weekly Facebook Live Sales, you can also shop with us on-site at our crystal shop, which we call The Diamond House Crystal Gallery. Our gallery showcases Herkimer diamonds from our own mine as well as a wide selection of mineral specimens from around the globe.

Visit us to explore a world-class selection of crystals and minerals. Whether you are a novice or seasoned collector, there is something for everyone to enjoy!

Our Crystal Gallery is now open for public shopping weekly on Tuesdays and Fridays from 10:00 am-4:00 pm*

(*And also by appointment. Contact us at DiamondMountainMining@gmail.com to schedule)

The Diamond House Crystal Gallery Offers:

-A diverse selection of mine-direct Herkimer diamonds including gems, clusters, “black diamonds,” skeletals, scepters, barbells, and MORE!

-Herkimer diamond “Pay Dirt”

-Handcrafted crystal jewelry

-Natural mineral specimens, both rarities and classic worldwide collecting localities

-Polished crystals such as towers, palm stones, and carvings

-Unique crystal home decor