1.63-Carat Rich Blue Montana Sapphire


A beautiful rich blue unheated Montana sapphire in a custom trillion design, 1.88 carats.

In stock


This beautiful unheated Montana sapphire is rich blue color, with just a faint hint of green secondary.  This rich of a blue color in an unheated Montana sapphire is quite rare.  This gem excellent clarity with just one small patch of silvery rutile tucked off on one edge.  When held in the hand, the rutile can flash a little, but its not objectionable and is proof positive of its unheated nature.

This sapphire is faceted in a custom trillion design; the resulting gem is bright and beautiful in the hand.  It weighs 1.63 carats and measures 7.6 x 4.5 mm.  It would make an amazing center stone for a unique and one-of-a-kind engagement ring or pendant.

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Product Enquiry

Do your gems come with certificates?

We're often asked about this, and yes, we do include our own certificate of origin and authenticity.  You can learn more here: https://www.earthstreasury.com/what-about-a-certificate/

Can I have a custom piece of jewelry made?

We LOVE making custom jewelry for our clients!  You can learn more about how the process works here: https://www.earthstreasury.com/the-custom-jewelry-process/

What is your return policy?

We have a one-week review and return policy that starts the date you receive your gem.  We want you to be 100% sure you have the right gem.  Learn more here: https://www.earthstreasury.com/risk-free-review-and-return-policy/