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6.15 ctw Blue Tanzanite Gemstones, Tanzanite Gems in Oval Cabochon Shape for Sale.
Photos are of Actual Products for Sale
6.15 ctw Blue Tanzanite Stones, Natural Tanzanite in Oval Cabochon Shape for Sale Tanzanite Gemstones in 9.3 x 7.4 mm Size for Sale, Tanzanite Stones in Medium Navy Blue Color

6.15ct Medium Navy Blue Tanzanite, Oval Cut, 9.3x7.4 mm

9.9 out of 10
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Tanzanite Product ID: 701649
Type: Tanzanite
Tanzanite Weight: 6.15 ct (total) Tanzanite 2 gems
avg. 3.08 ct
Tanzanite Size: mm calibrated Tanzanite
Tanzanite Size: 9.3 x 7.4 x 4.7 mm Tanzanite
Tanzanite Exact Size: 9.30 x 7.41 x 4.71 mm
Length x Width x Depth
Tanzanite Shape: Oval Cabochon Tanzanite
Tanzanite Color: Medium Navy Blue Tanzanite
Tanzanite Clarity: Transparent Tanzanite
Tanzanite Treatment: Heated
Tanzanite Origin: Tanzania Tanzanite
Content: 2 pcs
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$
64.13
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Product Description

These are 6.15 carat natural medium navy blue Tanzanite gems, 2 pcs in oval shape with an exact size of 9.30 x 7.41 x 4.71 mm. These loose Tanzanite gemstones were mined in Tanzania and their clarity is Transparent. This natural Tanzanite has been heated to enhance its vivid color.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate
Download Identification Report PDF
BGL Brief Report $ 18.00
Turnaround Time: 3-4 working days Details
AIG Brief Report $ 35.00
Turnaround Time: 5-10 working days Details
ICA Brief Report $ 90.00
Turnaround Time: 8-12 working days Details
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