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Home Gemstones Tanzanite
3.58 ctw Blue Tanzanite Gemstones, Tanzanite Gems in Round Cabochon Shape for Sale.
Photos are of Actual Products for Sale
3.58 ctw Blue Tanzanite Stones, Natural Tanzanite in Round Cabochon Shape for Sale Tanzanite Gemstones in 7 mm (calibrated) Size for Sale, Tanzanite Stones in Intense Violet Blue Color

3.58ct Natural Blue Tanzanite, Round Cut, 7.06 mm

9.4 out of 10
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Product ID: 575428
Type: Tanzanite
Weight: 3.58 ct (total) 2 gems
avg. 1.79 ct
Size: 7 mm calibrated
Size: 7.1 mm
Exact Size: 7.06 x 3.94 mm
Diameter x Depth
Shape: Round Cabochon
Color: Intense Violet Blue
Clarity: Transparent
Treatment: Heated
Origin: Tanzania
Content: 2 pcs

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Product Description

These are 3.58 carat natural intense violet blue Tanzanite gems, 2 pcs in round shape with an exact size of 7.06 mm x 3.94 mm (avg.). 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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Overall Rating -> 10 star ratings

I was able to find what i needed once I worked out what I was looking for.

Posted By Dr Kenneth in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

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

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

Posted By PhoenixFeatherJewelry in January, 2026
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Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 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
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