1.0ct Unheated Blue Montana Sapphire




1.0ct Missouri River Sapphire, Unheated

5.7mm, Custom USA cutting by Christopher Bork

A classic Silvery Blue Montana Sapphire from the gravel deposits along the Missouri River outside Helena, MT.  Stunning precision cutting brings out the most in this lively Sapphire.  The faded blue-jeans color holds under any lighting, unusual for a Montana Sapphire.  There is a small inclusion visible only under magnification, and some very light silk, just enough to soften the brilliance a bit.  Great size for a Sapphire engagement ring!

montana sapphire

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