1 pcs White Opal - 9.60 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
06
days
06
hours
16
minutes
00
seconds
Starting bid
€ 1
Reserve price not met
Expert
Selected by Alberto Fidalgo
Qualified goldsmith, gemmologist and diamond dealer with over fifteen years experience.
Retail Estimate € 1,200 - € 1,500
No bids placed
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Description from the seller
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Cabochon
Measurements .................................................................... 19.90 x 12.68 x 7.90 mm
Carat Weight ...................................................................................................... 9.60 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ................................................................................................... Translucent
ADDITIONAL GRADING CHARACTERISTICS
Optical Effect .................................................................................................. Opaliscence
COMMENTS
No indications of treatment.
16 September, 2025
29002413
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Cabochon
Measurements .................................................................... 19.90 x 12.68 x 7.90 mm
Carat Weight ...................................................................................................... 9.60 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ................................................................................................... Translucent
ADDITIONAL GRADING CHARACTERISTICS
Optical Effect .................................................................................................. Opaliscence
COMMENTS
No indications of treatment.
16 September, 2025
29002413
Details
Nr of stones
1
Gemstone type
Opal
Total carat weight
9.60
Gemstone colour
White
Optical effect
Play of colour
Transparency
Translucent
Treatment
No evidence of treatment
Laboratory Report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Shape
Pear
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.
