Tanzanite gemstones

Gemstones

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

Tanzania

Material

Tanzanite

Certification

No Certification

ALGT (B)

IGE (Madrid)

International Gemological Institute (IGI)

Certified Gemologist

Lotus (Thailand)

Gem Report Antwerp

Lotus Gemology

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Colour

Blue

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Pear

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Trilliant

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Clarity

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Semi transparent

Very Nice Tanzanite with ALGT Certificate and seal.
Perfect for jewel setting or for collectors.
* No Reserve Price *

Shape: Oval, mixed cut.
Color: Violetish Blue.
Purity: Transparent, natural inclusions pattern.
Weight: 1.03 ct.
Origin: Tanzanite.
Size: 7.28 x 5.40 x 3.70 mm.

Tanzania - Oval - ALGT (B)

* No Reserve Price * - Violetish Blue Tanzanite - 1.03 ct

Product Details.
Gem Type: Natural Tanzanite.
Weight: 5.90 Ct.
Shape: Cushion.
Size: 11.00 x 9.00 x 7.60 MM.
Clarity: VVS.
Color: Bluish violet 

Treatment: No Indications of heating /Treatment.
Hardness: 6.5.
GIA Report : 6481952180.


Tanzania - Cushion - GIA

GIA Certified Bluish Violet Tanzanite - 5.90 ct

No Reserve Price.
ALGT report number : 11067806.
Species : Natural Zoisite.
Variety : Tanzanite.
Shape : Oval Mixed Cut.
Weight : 3.00 Ct.
Treatment: Heated.
Color : Purplish Blue to Intense Violetish Blue.
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Oval - ALGT (B)

No Reserve Purplish Blue to Intense Violetish Blue Tanzanite - 3.00 ct

"IGI Certified 0.95Carat  Natural Zoisite Tanzanite.
Certificate Number : 601300770.
Color -Bluish Violet.
Shape - Emerald.
Cut - Brilliant/Step.
Dimensions - 7.04 x 5.07 x 3.04mm.
Transparency - Transparent.
Shipping:
Expedited shipping worldwide, using  Fedex.



Emerald - IGI

Bluish Violet Tanzanite - 0.95 ct

Shape: Oval Mixed Cut.
Colour: Blue ( Purplish)
Clarity: Transparent.
Treatment: Heated.
Weight:1.50 cts.
Size: 7.30 x 5.70 mm 

Country of Origin declarations are an gemological opinion offered by us (seller of the item).

Gemstones are portrayed as accurately as possible.

Oval - No Certification

1 pcs  Tanzanite - 1.50 ct

Natural Tanzanite.
Size. Oval.
Weight. 3.84 ct.
Measures. 11.28 x 7.87 x 5.81mm.
Color. Violet Blue.
Purity. Natural Inclusions.
Treatment. Heated.
Origin. Tanzania.
*The country of origin is an assessment of the seller*
Certificate from the expert gemologist himself No. 030631.

Tanzania - Oval - No Certification

Tanzanite - 3.84 ct

No Reserve Price.
ALGT report number : 84682026.
Species : Natural Zoisite.
Variety : Tanzanite.
Shape : Pear Mixed Cut.
Weight : 2.41 Ct.
Treatment: Heated.
Color : Violetish Blue to Intense Violetish Blue.
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Pear - ALGT (B)

No Reserve Violetish Blue to Intense Violetish Blue Tanzanite - 2.41 ct

IGI Colored Stone Report  # 617462532.
Report Date:  January 25, 2024.
=================================

Species .................................................................... Natural Zoisite.
Variety ......................................................................

Oval - IGI

[Deep Violetish Blue] Tanzanite - 16.29 ct

Natural Tanzanite.
Size. Round.
Weight. 2.98 ct.
Measures. 6.56 x 6.53 x 3.79 mm...1.27 ct.
5.98 x 5.92 x 3.86 mm...0.88 ct.
5.81 x 5.75 x 3.60 mm...0.83 ct.
Color. Bluish Violet.
Purity. Natural Inclusions.
Treatment. Heated.
Origin. Tanzania.
*The country of origin is an

Tanzania - Round - No Certification

3 pcs  Tanzanite - 2.98 ct

Natural Tanzanite.
Size. Rectangular.
Weight. 8.45ct.
Measures. 16.70 x 9.65 x 5.50mm.
Color. Bluish Violet.
Purity. Natural Inclusions.
Treatment. Heated.
Origin. Tanzania.
*The country of origin is an assessment of the seller*
Certificate from the expert gemologist himself No.

Tanzania - Emerald - No Certification

Tanzanite - 8.45 ct

Clean lustrous Tanzanite,
Weight: 1.50 ct.
Size: 7.37 x 7.41 x 4.28 mm.
Shape: Round.
Color: Bluish Violet.
Clarity: Eye Clean.
Treatment: Tanzanite is commonly heated to improve its color.
Origin: Tanzania.
IGE Certificate D-45000.
Sending via registered insured mail with

Tanzania - Round - IGE (Madrid)

Tanzanite - 1.50 ct

No Reserve Price.
IGI report number : 618412871.
Species : Natural Zoisite.
Variety : Tanzanite.
Shape : Oval Mixed Cut.
Weight : 1.63.
Size : 8.19 x 6.17 x 4.35 mm.
Treatment: Heated.
Color : Violetish Blue.
Please check our ''no reserve auctions'' and follow us for amazing

No Reserve Violetish Blue Tanzanite - 1.63 ct

Natural Tanzanite.
Size. Rectangular.
Weight. 31.06 ct.
Measures. 24.22 x 18.39 x 6.48mm.
Color. Bluish Violet.
Purity. Natural Inclusions.
Treatment. Heated.
Origin. Tanzania.
*The country of origin is an assessment of the seller*
Certificate from the expert gemologist himself

Tanzanite - 31.06 ct

Very beautiful pair of Pear Tanzanites!

Sealed with ALGT Report #24364407.
Species : Natural Zoisite.
Variety : Tanzanite.
Shape and Cutting Style : Pear.
Measurements 1 : 6.21 x 5.09 x 3.11 mm 
Measurements 2 : 6.15 x 5.13 x 2.91 mm.
Total Carat Weight : 1.35 Carat.
Color :

Tanzania - Pear - ALGT (B)

No Reserve - Pair of Blue Purplish Tanzanite - 1.35 ct

Shape: Oval Mixed Cut.
Colour: Blue ( Purplish)
Clarity: Transparent.
Treatment: Heated.
Weight: 1.83 cts.
Size:  -7.50 x 5.50 mm , 7.40 x 5.50 mm 

Treatment and Country of Origin declarations are an opinion offered by the seller of this item.

Gemstones are portrayed as

2 pcs  Tanzanite, No Reseved - 1.83 ct


ALGT Certified - Tanzanite - 0.92 ct.
* No Reserve Price *

Shape: Triangle, Mixed Cut.
Color: Violet Blue.
Purity: Transparent, natural inclusion pattern.
Weight: 0.92 ct.
Size: 6.25 - 6.22 - 3.95 mm.
ALGT report no: 44685064.
See full ALGT report for more information.
Please

Tanzania - Triangle - ALGT (B)

* No Reserve Price * - Violetish Blue Tanzanite - 0.92 ct

Report No. 575383234.
Gemstone Tanzanite.
Size 12.07 x 8.84 x 5.8 mm.
Clarity VVS.
Heated treatment.
 			
Weight 3.70 ct.
Color Bluish Violet.
Cut Pear Mixed Cut.
Origin Tanzania.
Certificate included.
Item number 00000156408.
N.B. Country of Origin is an opinion offered by the

Pear - IGI

Tanzanite - 3.70 ct

Report No. 578321191.
Gemstone Tanzanite.
Size 9.18 x 5.53 x 4.76mm.
Clarity VVS.
Heated treatment.
 			
Weight 1.98 ct.
Color Violetish Blue.
Cut Cushion Mixed Cut.
Origin Tanzania.
Certificate included.
Item number 00000156354.
N.B. Country of Origin is an opinion offered by

Cushion - IGI

Tanzanite - 1.98 ct

Algt Colored Stone Report # 44569158.
Report Date: 28 February, 2024.
========================================

Identification.
Species ................................................................................ Natural Zoisite.
Variety

1 pcs [Intense Violetish Blue] Tanzanite - 1.23 ct

Clean lustrous Tanzanite,
Weight: 3.63 ct.
Size: 11.24 x 8.04 x 6.37 mm.
Shape: Pear.
Color Grade: AAA, Vibrant Violet.
Clarity Grade: Eye Clean.
Cut Grade: Fair.
Treatment: Tanzanite is commonly heated to improve its color. Whether or not this gemstone has been enhanced by

Tanzania - Pear - IGE (Madrid)

Tanzanite - 3.63 ct

Species: Natural Zoisite.
Variety: Tanzanite.
Color: Bluish Violet, Violetish Blue 
Shape: Marquis Mixed Cut 
Total Weight: 4.64 ct. 
Measurements Approx: 4x2 mm.
Transparency: Transparent 
Treatment: Heated.
Origin: Tanzania.
"Treatment and origin declarations are the opinion of

Marquise - No Certification

48 pcs No Reserve - Tanzanite - 4.64 ct


Full IGI Certified - Tanzanite - 1.21 ct.
Shape: Oval, Mixed Cut.
Color: Light Bluish Violet.
Purity: Transparent, natural inclusion pattern.
Commonly heated.
Weight: 1.21 ct.
Size: 8.01 - 5.94 - 3.88 mm.
IGI report no: 623457199.
See full IGI report for more information.
These

Tanzanite - 1.21 ct


ALGT Certified - Tanzanite - 1.32 ct.
Shape: Modified Octagon, Step Cut.
Color: Intense Violet Blue.
Purity: Transparent, natural inclusion pattern.
Weight: 1.32 ct.
Size: 7.42 - 5.24 - 3.77 mm.
ALGT report no: 67957895.
See full ALGT report for more information.
Please view the

Tanzania - Octagonal - ALGT (B)

Intense Violetish Blue Tanzanite - 1.32 ct

Tanzanite Gemstones for Sale | Catawiki

Bedankt voor de snelle verzending.
Ik ben er blij mee.
Is nog mooier als op de foto.

Beautiful stone and absolutely fast delivered. Thank you very much!

nice gemstone, the opal has beautiful colors. I am happy. Thanks

Tanzanite gemstones

175 objects

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Tanzanite gemstones

175 objects

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