This heated Montana sapphire is a deep teal blue color, a classic Montana sapphire color and one of my favorites. The color was developed by heating the gem in Montana, but no other treatments were made to the gem. The treatment is permanent and stable and not only develops the color, but also improves the clarity. The sapphire has moderate inclusions that are visible in hand. I have factored this into the pricing, making it a good value for the size.
This sapphire is faceted in my custom “Helena” brilliant oval design that has been optimized for sapphire. The gem weighs 1.38 carats and measures 7.2 x 6.1 x 4.4 mm. It would make a unique center stone for an engagement ring, at an affordable price.