1 pcs Diamond (Natural) - 0.51 ct - Round - L - I1 - International Gemological Institute (IGI)
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Current bid
€ 80
Reserve price not met
Expert
Selected by Alberto Fidalgo
Qualified goldsmith, gemmologist and diamond dealer with over fifteen years experience.
Retail Estimate € 750 - € 900
6 other people are watching this object
 Bidder 7487 | €80 | |
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| Bidder 5275 | €75 | |
| Bidder 5275 | €70 | |
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This 0.51 ct natural round brilliant diamond, color L with I1 clarity and Very Good cut, is IGI certified and sealed, offering clear value for jewelry making or investment.
AI-assisted summary
Description from the seller
Natural Diamond IGI 0.51 ct – Round Brilliant – Color L – Clarity I1 – Very Good Cut – Ideal for Jewelry and Investment
I am selling a certified natural diamond from IGI International Gemological Institute, sealed and accompanied by the corresponding IGI Diamond Report number 706529632.
An ideal stone for creating a quality piece of jewelry as well as for long-term investment.
Gemmological Characteristics
Weight 0.51 carats
Shape and cut: Round Brilliant
Measurements 4.96 – 5.00 x 3.18 mm
Color L
Purezza I1
Cut Very Good
Polish very good
Symmetry is very good.
No fluorescence
Identification of feather inclusions, crystal twinning
Edge from slightly thick to thick as indicated in the certificate.
Certification
Original IGI certificate included
Sealed in the IGI card.
Report date June 26, 2025
Perfect for a jewel.
Thanks to the Very Good cut, the stone offers high brilliance. Ideal for a solitaire ring, pendant, or single earring.
The color L gives a slightly warm tone that stands out very well on yellow gold and red gold.
Excellent also as an investment
The certified and sealed diamond is a stable asset over time.
easy to resell
Absence of fluorescence highly sought after.
Weight over half a carat combined with a Very Good cut, making it an excellent compromise for an entry-level investment.
Terms and Conditions
New, unused diamante, perfectly sealed.
Tracked and insured shipment.
Protected and secure packaging
Reasons to buy it
Natural diamond weighing 0.51 ct, certified by IGI with a Very Good cut, represents an excellent opportunity both as a valuable piece of jewelry and as a secure, certified investment.
Natural Diamond IGI 0.51 ct – Round Brilliant – Color L – Clarity I1 – Very Good Cut – Ideal for Jewelry and Investment
I am selling a certified natural diamond from IGI International Gemological Institute, sealed and accompanied by the corresponding IGI Diamond Report number 706529632.
An ideal stone for creating a quality piece of jewelry as well as for long-term investment.
Gemmological Characteristics
Weight 0.51 carats
Shape and cut: Round Brilliant
Measurements 4.96 – 5.00 x 3.18 mm
Color L
Purezza I1
Cut Very Good
Polish very good
Symmetry is very good.
No fluorescence
Identification of feather inclusions, crystal twinning
Edge from slightly thick to thick as indicated in the certificate.
Certification
Original IGI certificate included
Sealed in the IGI card.
Report date June 26, 2025
Perfect for a jewel.
Thanks to the Very Good cut, the stone offers high brilliance. Ideal for a solitaire ring, pendant, or single earring.
The color L gives a slightly warm tone that stands out very well on yellow gold and red gold.
Excellent also as an investment
The certified and sealed diamond is a stable asset over time.
easy to resell
Absence of fluorescence highly sought after.
Weight over half a carat combined with a Very Good cut, making it an excellent compromise for an entry-level investment.
Terms and Conditions
New, unused diamante, perfectly sealed.
Tracked and insured shipment.
Protected and secure packaging
Reasons to buy it
Natural diamond weighing 0.51 ct, certified by IGI with a Very Good cut, represents an excellent opportunity both as a valuable piece of jewelry and as a secure, certified investment.
Details
Lab report number
706529632
Diamond type
Natural
Number of diamonds
1
Total carat weight
0.51
Cut grade
Very good
Diamond Clarity Grade
I1
Diamond Colour Grade
L
Symmetry
Very good
Fluorescence
None
Polish
Very good
Girdle
Slightly thick, Thick
Laboratory Report
International Gemological Institute (IGI)
Sealed by laboratory
Yes
Laser Engraved
No
Weight
0.50-0.69
Shape
Round
Cutting style
Brilliant 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.
