2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™
2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™

2.5 Carat Mermaid Tanzanite Octagon - 10.2x7mm - Esko Universe Cut ™

Regular price$3,195.00
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Shipping calculated at checkout.


This listing is for the depicted gemstone. It can be purchased loose or can be reserved or bundled for a custom jewelry project

• 2.57 carats
• 10.2mm in length, 7mm in width, and 6.1mm in depth 
• Cut in my bespoke Esko Universe Cut ™ pattern this stone features an octagonal shape
• Indigo faceted this gem in his workshop in Eagle Nest, New Mexico
• Uncut gem sourced from Tanzania 
• Unheated/untreated
• Eye clean!
• Medium - Medium light tone (Open toned!)

- Check out my portfolio of settings for ring setting ideas

This is a stunning alternative colored unheated tanzanite to say the least. Indy faceted this gem in my octagonal design with a Universe cut pavilion.  Heat treatments will typically eliminate all but blue or purple. In most lighting, I see a dominant steely gray color gem. Add sunlight and a blue sky to the mix, and now hints of green, purple, blue and even yellow are visible.   With a polarizing filter, you can isolate the various colors visible in this unheated piece of tanzanite. This is a very desirable open-toned gem. In most lighting expect a dominant silvery gray gemstone with a subtle blue/green undertone. 

If you want first pick of any new gems, be sure to sign up for my new gem e-mail list (signup is on the homepage)! 

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