1.38-Carat Intense Yellow Umba Sapphire

1.38-Carat Intense Yellow Umba Sapphire



A beautiful unheated intense yellow sapphire from Umba, Tanzania in our custom “Helena” brilliant oval design, 1.38 carats.

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SKU: ET1874 Categories: , ,


This lovely unheated sapphire comes from Umba, Tanzania, and is a striking intense yellow. The gem is 100 percent natural and untreated in any way. This sapphire has very small inclusions that are quite difficult to see with the naked eye from a normal viewing distance. It looks better in person than the photo would imply. 

This gem is faceted in our custom “Helena” brilliant oval design, created and optimized for sapphires; the result is a glittering beauty of a gemstone. It weighs 1.38 carats and measures 7.0 x 5.9 mm, the perfect size for an engagement ring.

Additional information



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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/