1 pcs Red, Pink Ruby - 2.53 ct - Gem research Swiss Lab (GRS)
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€ 3
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Expert
Selected by Purificacion Aquino Garcia
Holds a gemmology degree from IGE Madrid and an MBA from University of Santiago de Compostela.
Retail Estimate € 6,600 - € 8,000
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Natural ruby, 2.53 ct, Mozambique origin, oval brilliant cut, red to pinkish red colour, GRS-certified with no indication of thermal treatment and untreated.
AI-assisted summary
Description from the seller
Natural Ruby 2.53 ct – GRS certified – untreated – Mozambique
Exclusive gemstone with an international GRS certificate
For sale is an exceptional natural ruby with intensely luminous red to pink-red color and excellent brilliance. The gemstone originates from Mozambique and has been tested and certified by the renowned Swiss laboratory GRS Gemresearch Swisslab.
Of particular note is the remark:
“No indication of thermal treatment”
so no evidence of thermal treatment / untreated.
Untreated rubies of this size and color intensity are significantly rarer on international markets and are especially sought after by collectors and jewelry enthusiasts.
⸻
Details of the gemstone
* Gemstone: Natural Ruby
* Origin: Mozambique
* Weight: 2.53 carats
* Dimensions: 8.31 × 7.07 × 4.58 mm
* Cut: Brilliant / Step Cut
* Shape: Oval
* Color: Red
* Treatment: No thermal treatment detected
* Test: FTIR-tested
* Certificate: GRS Gemresearch Swisslab
* Certificate number: GRS2016-072489
* Certificate date: September 27, 2016
⸻
Condition & Appearance
The ruby shows an intense, vibrant color effect with strong pink-red/red tones and attractive light reflection. The faceted oval cut creates a very beautiful sparkle and an elegant sense of depth.
Ideal for:
* high-end jewelry
* ring manufacture
* pendants
* collectors
* investment
⸻
About the GRS certificate
GRS Gemresearch Swisslab is one of the respected international gemstone laboratories in the premium segment. The enclosed original certificate confirms:
natural ruby
origin Mozambique
untreated / no heat
precise carat and measurements
The certificate is, of course, included in the delivery.
⸻
Contents
* Natural ruby 2.53 ct
* Original GRS certificate
* protective case / certificate sleeve
⸻
Note
Photos were taken in daylight. Color effects may vary slightly depending on screen display.
Natural Ruby 2.53 ct – GRS certified – untreated – Mozambique
Exclusive gemstone with an international GRS certificate
For sale is an exceptional natural ruby with intensely luminous red to pink-red color and excellent brilliance. The gemstone originates from Mozambique and has been tested and certified by the renowned Swiss laboratory GRS Gemresearch Swisslab.
Of particular note is the remark:
“No indication of thermal treatment”
so no evidence of thermal treatment / untreated.
Untreated rubies of this size and color intensity are significantly rarer on international markets and are especially sought after by collectors and jewelry enthusiasts.
⸻
Details of the gemstone
* Gemstone: Natural Ruby
* Origin: Mozambique
* Weight: 2.53 carats
* Dimensions: 8.31 × 7.07 × 4.58 mm
* Cut: Brilliant / Step Cut
* Shape: Oval
* Color: Red
* Treatment: No thermal treatment detected
* Test: FTIR-tested
* Certificate: GRS Gemresearch Swisslab
* Certificate number: GRS2016-072489
* Certificate date: September 27, 2016
⸻
Condition & Appearance
The ruby shows an intense, vibrant color effect with strong pink-red/red tones and attractive light reflection. The faceted oval cut creates a very beautiful sparkle and an elegant sense of depth.
Ideal for:
* high-end jewelry
* ring manufacture
* pendants
* collectors
* investment
⸻
About the GRS certificate
GRS Gemresearch Swisslab is one of the respected international gemstone laboratories in the premium segment. The enclosed original certificate confirms:
natural ruby
origin Mozambique
untreated / no heat
precise carat and measurements
The certificate is, of course, included in the delivery.
⸻
Contents
* Natural ruby 2.53 ct
* Original GRS certificate
* protective case / certificate sleeve
⸻
Note
Photos were taken in daylight. Color effects may vary slightly depending on screen display.
Details
Number of stones
1
Lab report number
GRS2016-072489
Gemstone type
Ruby
Total carat weight
2.53
Gemstone colour
Pink, Red
Cut grade
Very good
Transparency
Transparent
Clarity grade
Slight
Treatment
No evidence of treatment
Origin as given on certificate
Mozambique
Laboratory report
Gem research Swiss Lab (GRS)
Sealed by laboratory
No
Shape
Oval
Cutting style
Faceted cut
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.
