No reserve price Blue, Purple Tanzanite - 1.35 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
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Current bid
€ 2
No reserve price
Expert
Selected by Alberto Fidalgo
Qualified goldsmith, gemmologist and diamond dealer with over fifteen years experience.
Retail Estimate € 280 - € 350
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 Bidder 4639 | €2 |
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Tanzanite, 1 stone, 1.35 carat, cushion square mixed-cut, light purplish blue, transparent, origin Tanzania, ALGT report 10930314.
AI-assisted summary
Description from the seller
ALGT Report Number: 10930314
Natural Zoisite
Tanzanite
Square Cushion, Mixed Cut
6.52 x 6.45 x 4.29 mm
1.35 Carat
Light purplish blue
Transparent
Origin Tanzania
Comments:
Tanzanite is commonly heated at low temperatures to improve its color. Currently, there is no scientific method available to determine whether this gemstone has been enhanced or not.
Shipping:
Well packed with track&trace and insured.
Seller's Story
Only Natural Gemstones
Translated by Google TranslateALGT Report Number: 10930314
Natural Zoisite
Tanzanite
Square Cushion, Mixed Cut
6.52 x 6.45 x 4.29 mm
1.35 Carat
Light purplish blue
Transparent
Origin Tanzania
Comments:
Tanzanite is commonly heated at low temperatures to improve its color. Currently, there is no scientific method available to determine whether this gemstone has been enhanced or not.
Shipping:
Well packed with track&trace and insured.
Seller's Story
Only Natural Gemstones
Translated by Google TranslateDetails
Lab report number
10930314
Gemstone type
Tanzanite
Total carat weight
1.35
Gemstone colour
Blue, Purple
Transparency
Transparent
Treatment
No evidence of treatment
Origin as given on certificate
Tanzania
Laboratory Report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Shape
Cushion
Cutting style
Mixed cut
Sold by
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Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
