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 in Little Falls, NY 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 to 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