1 pcs Green Tourmaline - 2.20 ct - International Colored Gemstone Association (ICA GemLab) - Chrome Tourmaline
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€ 1
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Selected by Alberto Fidalgo
Qualified goldsmith, gemmologist and diamond dealer with over fifteen years experience.
Retail Estimate € 600 - € 750
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 Bidder 3696 | €1 |
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Chrome tourmaline from natural dravite-uvite, green and transparent at 2.20 carats, octagonal step cut, with ICA GemLab report TH25G114664.
AI-assisted summary
Description from the seller
Report Number: TH25G114664
Date 2025-10-06
PIN: 9490
Group: Tourmaline
Species: Natural Dravite-uvite
Variety: Chrome Tourmaline
Color Green
Shape: Oval
S P E C I E S : Natural Dravite-uvite
V A R I E T Y : Chrome Tourmaline
W E I G H T : 2.20 cts
D I M E N S I O N S : 8.24 x 6.68 x 5.57 mm
C U T : Step
S H A P E : Octogonal
T R A N S P A R E N C Y : Transparent
P H E N O M E N A : None
C O L O R
Colot : Green
T R E A T M E N T S
See comments
Tourmaline is commonly heated or irradiated to improve or
change the color. Color authenticity is currently undeterminable.
Report Number: TH25G114664
Date 2025-10-06
PIN: 9490
Group: Tourmaline
Species: Natural Dravite-uvite
Variety: Chrome Tourmaline
Color Green
Shape: Oval
S P E C I E S : Natural Dravite-uvite
V A R I E T Y : Chrome Tourmaline
W E I G H T : 2.20 cts
D I M E N S I O N S : 8.24 x 6.68 x 5.57 mm
C U T : Step
S H A P E : Octogonal
T R A N S P A R E N C Y : Transparent
P H E N O M E N A : None
C O L O R
Colot : Green
T R E A T M E N T S
See comments
Tourmaline is commonly heated or irradiated to improve or
change the color. Color authenticity is currently undeterminable.
Details
Nr of stones
1
Lab report number
TH25G114664
Gemstone type
Tourmaline
Total carat weight
2.20
Gemstone colour
Green
Transparency
Transparent
Treatment
Commonly irradiated with no evidence of treatment
Laboratory Report
International Colored Gemstone Association (ICA GemLab)
Sealed by laboratory
No
Title additional information
Chrome Tourmaline
Shape
Octagon
Cutting style
Step cut
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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.
