No Reserve Price - 12 pcs Diamond (Natural coloured) - 1.01 ct - Square Mixed colours - VS1, I1 - Gemewizard Gemological Laboratory (GWLab)
02
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01
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25
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Starting bid
€ 1
No reserve price
Expert
Selected by Maria René Piacenza Bernal
FGA London gemmologist with 20 years' experience as independent diamond expert and trader.
Retail Estimate € 750 - € 900
No bids placed
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A parcel of 12 natural square-brilliant diamonds weighing 1.01 total carats, color treated in blue and green hues, clarity range VS1 to I1, reported by Gemewizard Gemological Laboratory (GWLab) under report 250102391023 dated 09/11/2025.
AI-assisted summary
Description from the seller
| Report Number | 250102391023 |
| Date | 09/11/2025 (November 9, 2025) |
| Description | ONE PARCEL OF 12 NATURAL DIAMONDS |
| Shape & Cutting style | Square Brilliant |
| Quantity | 12 |
| Total Weight (Actual) | 1.01 Carats |
| Color grade | Multiple Colors |
| Clarity grade | VS1-I1 |
| Enhancements | Color treated |
| Comments | A mixture of natural Blue and Green diamonds of various intensities and shades. |
This certificate describes a lot, or "parcel," of 12 natural diamonds with a total weight of 1.01 carats. They are cut in the Square Brilliant style, and notably, they are a mix of Blue and Green colors, which have been color treated to achieve their shades. Their clarity spans a wide range from Very Slightly Included (VS1) down to Included (I1).
| Report Number | 250102391023 |
| Date | 09/11/2025 (November 9, 2025) |
| Description | ONE PARCEL OF 12 NATURAL DIAMONDS |
| Shape & Cutting style | Square Brilliant |
| Quantity | 12 |
| Total Weight (Actual) | 1.01 Carats |
| Color grade | Multiple Colors |
| Clarity grade | VS1-I1 |
| Enhancements | Color treated |
| Comments | A mixture of natural Blue and Green diamonds of various intensities and shades. |
This certificate describes a lot, or "parcel," of 12 natural diamonds with a total weight of 1.01 carats. They are cut in the Square Brilliant style, and notably, they are a mix of Blue and Green colors, which have been color treated to achieve their shades. Their clarity spans a wide range from Very Slightly Included (VS1) down to Included (I1).
Details
Lab report number
250102391023
Diamond type
Natural coloured
Natural fancy colour
Mixed colours
Number of diamonds
12
Total carat weight
1.01
Diamond Clarity Grade
I1, VS1
Laboratory Report
Gemewizard Gemological Laboratory (GWLab)
Sealed by laboratory
Yes
Laser Engraved
No
Weight
1.00-1.49
Shape
Square
Cutting style
Brilliant cut
Disclaimer
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.
