Green Emerald - 4.10 ct - Gübelin Gem Lab - Gubelin Superior
05
days
08
hours
56
minutes
44
seconds
Current bid
€ 3,050
Reserve price not met
Expert
Selected by Purificacion Aquino Garcia
Holds a gemmology degree from IGE Madrid and an MBA from University of Santiago de Compostela.
Retail Estimate € 15,000 - € 18,000
 | €3,050 | |
|---|---|---|
| €840 | |
 | €21 | |
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This transparent, eye-clean Zambian emerald weighs 4.10 carats and has a green colour, octagonal shape and step cut, with a Gübelin Gem Lab report.
AI-assisted summary
Description from the seller
Natural Zambian Emerald – 4.10 ct – Bluish Green – Octagonal Step Cut – Transparent – Gübelin Certified – 80.7 Points Superior
Description
A beautiful natural Emerald weighing 4.10 carats, originating from the renowned Kafubu emerald mining region in Zambia, accompanied by a prestigious gemological report and gemstone rating from Gübelin Gem Lab, Switzerland.
This remarkable emerald features an attractive bluish-green color, transparent appearance, and an elegant octagonal shape with a classic step cut.
Zambian emeralds are internationally appreciated for their distinctive green coloration, often displaying subtle bluish undertones, as well as their natural beauty and unique character.
The gemstone has been examined by Gübelin Gem Lab, one of the world’s most respected gemological laboratories, which has confirmed its natural identification and geographical origin from Zambia (Kafubu).
An important highlight of this emerald is its Gübelin Gemstone Rating of 80.7 Points – Superior, reflecting the laboratory’s assessment of its gemological quality characteristics.
The accompanying gemological report indicates moderate clarity enhancement, a commonly encountered treatment in natural emeralds.
With its substantial weight of 4.10 carats, attractive bluish-green color, classic octagonal step cut, and prestigious Gübelin certification, this natural emerald is an excellent choice for creating an elegant ring, pendant, or other fine jewelry piece. It is also an attractive addition to a gemstone collection.
Gemstone Details
* Gemstone: Natural Emerald
* Mineral: Natural Beryl
* Weight: 4.10 ct
* Shape: Octagonal
* Cut: Step Cut
* Color: Bluish Green
* Transparency: Transparent
* Measurements: 9.76 × 7.75 × 6.81 mm
* Origin: Zambia (Kafubu)
* Treatment: Indications of moderate clarity enhancement
* Gübelin Gemstone Rating: 80.7 Points – Superior
Certification
* Laboratory: Gübelin Gem Lab, Switzerland
* Report Number: 26090047
* Report Date: September 28, 2026
* Identification: Natural Emerald
* Geographical Origin: Zambia (Kafubu)
* Condition: Indications of moderate clarity enhancement
* Gemstone Rating: 80.7 Gübelin Points – Superior
The gemstone comes with its original Gübelin Gemmological Report, Gemstone Rating document, and accompanying information sheet concerning emeralds from Zambia (Kafubu).
The Gübelin documentation provides independent gemological identification, geographical origin determination, and a gemstone quality rating.
Shipping
The gemstone will be carefully packed and shipped securely with tracking and insurance.
Important Information
Natural emeralds commonly contain inclusions and internal characteristics resulting from their geological formation. These are part of their natural identity.
All photographs are taken to show the gemstone as accurately as possible. Slight variations in color may occur depending on lighting conditions and screen settings.
Please review all photographs and the Gübelin documentation carefully before placing your bid.
Royal Antwerp Gem – Antwerp, Belgium
Seller's Story
Paraiba is a Belgium-based gemstone dealer with a passion for exceptional natural gemstones and mineral treasures from around the world.
For many years, we have personally sourced and selected gemstones through trusted networks of miners, cutters, collectors, and dealers across Asia, Africa, South America, and Europe. Every stone is chosen individually based on its beauty, character, rarity, and overall value.
We work exclusively with respected gemological laboratories and independent experts, including renowned institutions in Antwerp, one of the world’s most important centers for the gemstone and diamond trade. Whenever possible, gemstones are accompanied by professional certification to provide buyers with additional confidence and transparency.
Our philosophy is simple: we sell only gemstones that we would proudly add to our own collection. We believe that every gemstone has a story, and we take great care in presenting each piece honestly and accurately.
Today, with more than 500 successful sales and a 100% customer satisfaction score, we continue our search for remarkable gemstones across the globe, bringing unique finds directly to collectors, investors, jewelers, and gemstone enthusiasts.
Thank you for visiting Paraiba and sharing our passion for natural treasures.
Natural Zambian Emerald – 4.10 ct – Bluish Green – Octagonal Step Cut – Transparent – Gübelin Certified – 80.7 Points Superior
Description
A beautiful natural Emerald weighing 4.10 carats, originating from the renowned Kafubu emerald mining region in Zambia, accompanied by a prestigious gemological report and gemstone rating from Gübelin Gem Lab, Switzerland.
This remarkable emerald features an attractive bluish-green color, transparent appearance, and an elegant octagonal shape with a classic step cut.
Zambian emeralds are internationally appreciated for their distinctive green coloration, often displaying subtle bluish undertones, as well as their natural beauty and unique character.
The gemstone has been examined by Gübelin Gem Lab, one of the world’s most respected gemological laboratories, which has confirmed its natural identification and geographical origin from Zambia (Kafubu).
An important highlight of this emerald is its Gübelin Gemstone Rating of 80.7 Points – Superior, reflecting the laboratory’s assessment of its gemological quality characteristics.
The accompanying gemological report indicates moderate clarity enhancement, a commonly encountered treatment in natural emeralds.
With its substantial weight of 4.10 carats, attractive bluish-green color, classic octagonal step cut, and prestigious Gübelin certification, this natural emerald is an excellent choice for creating an elegant ring, pendant, or other fine jewelry piece. It is also an attractive addition to a gemstone collection.
Gemstone Details
* Gemstone: Natural Emerald
* Mineral: Natural Beryl
* Weight: 4.10 ct
* Shape: Octagonal
* Cut: Step Cut
* Color: Bluish Green
* Transparency: Transparent
* Measurements: 9.76 × 7.75 × 6.81 mm
* Origin: Zambia (Kafubu)
* Treatment: Indications of moderate clarity enhancement
* Gübelin Gemstone Rating: 80.7 Points – Superior
Certification
* Laboratory: Gübelin Gem Lab, Switzerland
* Report Number: 26090047
* Report Date: September 28, 2026
* Identification: Natural Emerald
* Geographical Origin: Zambia (Kafubu)
* Condition: Indications of moderate clarity enhancement
* Gemstone Rating: 80.7 Gübelin Points – Superior
The gemstone comes with its original Gübelin Gemmological Report, Gemstone Rating document, and accompanying information sheet concerning emeralds from Zambia (Kafubu).
The Gübelin documentation provides independent gemological identification, geographical origin determination, and a gemstone quality rating.
Shipping
The gemstone will be carefully packed and shipped securely with tracking and insurance.
Important Information
Natural emeralds commonly contain inclusions and internal characteristics resulting from their geological formation. These are part of their natural identity.
All photographs are taken to show the gemstone as accurately as possible. Slight variations in color may occur depending on lighting conditions and screen settings.
Please review all photographs and the Gübelin documentation carefully before placing your bid.
Royal Antwerp Gem – Antwerp, Belgium
Seller's Story
Paraiba is a Belgium-based gemstone dealer with a passion for exceptional natural gemstones and mineral treasures from around the world.
For many years, we have personally sourced and selected gemstones through trusted networks of miners, cutters, collectors, and dealers across Asia, Africa, South America, and Europe. Every stone is chosen individually based on its beauty, character, rarity, and overall value.
We work exclusively with respected gemological laboratories and independent experts, including renowned institutions in Antwerp, one of the world’s most important centers for the gemstone and diamond trade. Whenever possible, gemstones are accompanied by professional certification to provide buyers with additional confidence and transparency.
Our philosophy is simple: we sell only gemstones that we would proudly add to our own collection. We believe that every gemstone has a story, and we take great care in presenting each piece honestly and accurately.
Today, with more than 500 successful sales and a 100% customer satisfaction score, we continue our search for remarkable gemstones across the globe, bringing unique finds directly to collectors, investors, jewelers, and gemstone enthusiasts.
Thank you for visiting Paraiba and sharing our passion for natural treasures.
Details
Lab report number
26090047
Gemstone type
Emerald
Total carat weight
4.10
Gemstone colour
Green
Transparency
Transparent
Clarity grade
Eye clean
Treatment
Oiling
Origin as given on certificate
Zambia
Laboratory report
Gübelin Gem Lab
Sealed by laboratory
No
Title additional information
Gubelin Superior
Shape
Octagon
Cutting style
Step 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.
