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4.05 ct Blue Tanzanite Gemstone, Tanzanite Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.05 ct Blue Tanzanite Stone, Natural Tanzanite in Oval Cabochon Shape for Sale Tanzanite Gemstone in 10 x 8 mm (calibrated) Size for Sale, Tanzanite Stone in Silverish Blue Color

4.05ct Natural Silverish Blue Tanzanite, Oval Cut, 10.1x8 mm

9.6 out of 10
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Tanzanite Product ID: 673058
Type: Tanzanite
Tanzanite Weight: 4.05 ct Tanzanite 1 gem
Tanzanite Size: 10 x 8 mm calibrated Tanzanite
Tanzanite Size: 10.1 x 8 x 5.7 mm Tanzanite
Tanzanite Exact Size: 10.05 x 7.96 x 5.70 mm
Length x Width x Depth
Tanzanite Shape: Oval Cabochon Tanzanite
Tanzanite Color: Silverish Blue Tanzanite
Tanzanite Clarity: Transparent Tanzanite
Tanzanite Treatment: Heated
Tanzanite Origin: Tanzania Tanzanite
Content: 1 pc
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Product Description

This is a 4.05 carat natural silverish blue Tanzanite gem, 1 pc in oval shape with an exact size of 10.05 x 7.96 x 5.70 mm. This loose Tanzanite gemstone was mined in Tanzania and its clarity is Transparent. This natural Tanzanite has been heated to enhance its vivid color.

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GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate
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Enlarged Gemstone Image