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1.18 ctw Blue Tanzanite Gemstones, Tanzanite Gems in Round Cabochon Shape for Sale.
Photos are of Actual Products for Sale
1.18 ctw Blue Tanzanite Stones, Natural Tanzanite in Round Cabochon Shape for Sale Tanzanite Gemstones in 5 mm (calibrated) Size for Sale, Tanzanite Stones in Intense Violet Blue Color

1.18ct Natural Blue Tanzanite, Round Cut, 5.14 mm

9.7 out of 10
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Product ID: 584686
Type: Tanzanite
Weight: 1.18 ct (total) 2 gems
avg. 0.59 ct
Size: 5 mm calibrated
Size: 5.1 mm
Exact Size: 5.14 x 2.59 mm
Diameter x Depth
Shape: Round Cabochon
Color: Intense Violet Blue
Clarity: Translucent
Treatment: Heated
Origin: Tanzania
Content: 2 pcs
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Product Description

These are 1.18 carat natural intense violet blue Tanzanite gems, 2 pcs in round shape with an exact size of 5.14 mm x 2.59 mm (avg.). These loose Tanzanite gemstones were mined in Tanzania and their clarity is Translucent. This natural Tanzanite has been heated to enhance its vivid color.

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Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 2026
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Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
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Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
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

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
Enlarged Gemstone Image