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Home Gemstones Tanzanite
4.91 ctw Blue Tanzanite Gemstones, Tanzanite Gems in Oval Cabochon Shape for Sale.
Photos are of Actual Products for Sale
4.91 ctw Blue Tanzanite Stones, Natural Tanzanite in Oval Cabochon Shape for Sale Tanzanite Gemstones in 9 x 7 mm (calibrated) Size for Sale, Tanzanite Stones in Light Violet Blue Color

4.91ct Natural Blue Tanzanite, Oval Cut, 9.1x7.1 mm

9.7 out of 10
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Product ID: 701536
Type: Tanzanite
Weight: 4.91 ct (total) 2 gems
avg. 2.46 ct
Size: 9 x 7 mm calibrated
Size: 9.1 x 7.1 x 4.2 mm
Exact Size: 9.07 x 7.11 x 4.21 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Light Violet Blue
Clarity: Transparent
Treatment: Heated
Origin: Tanzania
Content: 2 pcs
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Product Description

These are 4.91 carat natural light violet blue Tanzanite gems, 2 pcs in oval shape with an exact size of 9.07 x 7.11 x 4.21 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

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

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate
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