0.68ct Sky Blue-Mint Montana Sapphire

$750.00 USD
$750.00 USD

This 0.68ct natural, unheated sky blue–mint Montana sapphire—sourced from Earth’s Treasury—glows with the soft serenity of an alpine lake. Its delicate blend of blue and green feels both refreshing and timeless, offering a dreamy alternative to traditional stones. Measuring 7.0 mm x 4.8 mm, it’s perfectly suited for a one-of-a-kind engagement ring or a quietly striking cocktail piece. This sapphire comes with a certificate issued by Earth's Treasury.

* Please note that the listed price is for the loose gemstone only and does not include the cost of the setting. Once your gemstone has been purchased, we’ll begin designing the setting around your specific stone. If you’ve selected an existing Ptera Jewelry design, we’ll adapt the design to accommodate the exact dimensions and proportions of your gemstone, as well as your ring size, and provide you with the final price for the setting before moving forward.If you’ve requested a custom setting, we’ll use the details and inspiration you provide below to create preliminary design sketches, which will be emailed to you for review. We’ll then work together to refine the design until you’re happy with it. Once the design and CAD have been finalized, we’ll calculate and provide the final price for your setting for your approval before moving forward with crafting.

Gemstone Sales Agreement: *I understand that in purchasing a gemstone from Ptera I am reserving that stone for use in a fine jewelry design. I understand that Ptera DOES NOT ship loose stones. All gemstone sales are non-refundable. *