Find Your Own Sapphires

Montana’s Largest, Oldest, & Best Sapphire Mine



Gem Mountain

Visit us in historic downtown Philipsburg.
Open 7 days a week 9am-5pm at 201 W. Broadway!


Beautiful Jewelry

Gem Mountain Montana Sapphire gemstones and jewelry including rings, pendants, earrings, bracelets, and gents rings.

100% Natural Sapphire Gemstones

With an extensive selection of carat weight, size and cut you’ll find both loose faceted stones and sapphire jewelry in blue, yellow, orange, pink and more.

Unique Setting

Our showroom boasts an impressive collection of home décor including: an amazing variety of teak wood furniture, wood carvings, amethyst cathedrals, clothing, and even framed butterflies.  We strive to regularly introduce unique items throughout the year.


Mine Location

21 Sapphire Gulch Lane
at mile marker 38.4 of Montana Highway 38, Skalkaho Pass Road, between Hamilton and Philipsburg.

Year-Round Phone: (406) 859-GEMS (4367)

Mine Phone: (406) 859-MINE (6463)