White Opal - 12.45 ct - Masterstones
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Opal, 1 stone, 12.45 ct, white colour, drop shape cabochon with translucent transparency and play-of-colour, origin Ethiopia, lab report Masterstones no treatments specified (Report no. 323CT147).
AI-assisted summary
Description from the seller
Gemmological certificate from the MASTERSTONES (IT) laboratory - Report no. 323CT147 dated 14.03.2023 prepared by Dr. Marco Torelli - Graduate Gemmologist at HRD Antwerp; Dimensions: 22.37 x 16.02 x 7.29 mm; Carats: 12.45 ct; Color: white; Optical effect: play-of-colour; Estimated origin: Ethiopia; Shape and cut: drop; Cabochon; Transparency: Translucent; Treatment: treatments not specified in the report.
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Macro enlargement photographs without any enhancement taken with LED light at 5000 Kelvin on backgrounds of different colors.
Gemmological certificate from the MASTERSTONES (IT) laboratory - Report no. 323CT147 dated 14.03.2023 prepared by Dr. Marco Torelli - Graduate Gemmologist at HRD Antwerp; Dimensions: 22.37 x 16.02 x 7.29 mm; Carats: 12.45 ct; Color: white; Optical effect: play-of-colour; Estimated origin: Ethiopia; Shape and cut: drop; Cabochon; Transparency: Translucent; Treatment: treatments not specified in the report.
International registered mail with tracking number
Macro enlargement photographs without any enhancement taken with LED light at 5000 Kelvin on backgrounds of different colors.
Details
Lab report number
323CT147
Gemstone type
Opal
Total carat weight
12.45
Gemstone colour
White
Optical effect
Play of colour
Transparency
Translucent
Treatment
No evidence of treatment
Origin as given on certificate
Ethiopia
Laboratory report
Masterstones
Sealed by laboratory
No
Shape
Drop
Cutting style
Cabochon 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.
