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0.63 ctw Blue Tanzanite Gemstones, Tanzanite Gems in Marquise Facet Shape for Sale.
Photos are of Actual Products for Sale
0.63 ctw Blue Tanzanite Stones, Natural Tanzanite in Marquise Facet Shape for Sale Tanzanite Gemstones in 7 x 3.5 mm (calibrated) Size for Sale, Tanzanite Stones in Violet Blue Color

0.63ct Natural Blue Tanzanite, Marquise, 7x3.5 mm

9.7 out of 10
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Product ID: 644055
Type: Tanzanite
Weight: 0.63 ct (total) 2 gems
avg. 0.32 ct
Size: 7 x 3.5 mm calibrated
Size: 7 x 3.5 x 1.9 mm
Exact Size: 7.04 x 3.48 x 1.87 mm
Length x Width x Depth
Shape: Marquise Facet
Color: Violet Blue
Clarity: VVS-VS
Treatment: Heated
Origin: Tanzania
Content: 2 pcs
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    Gemstone Laboratories
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$
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Product Description

These are 0.63 carat natural violet blue Tanzanite gems, 2 pcs in marquise shape with an exact size of 7.04 x 3.48 x 1.87 mm. These loose Tanzanite gemstones were mined in Tanzania and their clarity is VVS-VS (Eye Clean). 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

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

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
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Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
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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
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Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
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Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate
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