2 pcs Star Ruby - 5.80 ct - International Gemological Institute (IGI)
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Two natural Star Ruby cabochon-cut stones weighing a total of 5.80 carats, with eye-clean clarity and a visible asterism, originate from India and come with an IGI certificate (Report No. 750574520) indicating no evidence of treatment.
AI-assisted summary
Description from the seller
Natural Star Ruby Pair – Rare Collector’s Gemstones
A stunning pair of natural star rubies (Star Ruby) is available for sale. These cabochon-cut gemstones display a beautiful purplish-red color and a visible asterism effect, making them highly desirable for collectors and unique jewelry pieces.
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Specifications
• Variety: Star Ruby
• Species: Natural Corundum
• Total Weight: 5.80 carats (pair)
• Cut: Cabochon
Stone 1:
• Measurements: 7.03 × 6.54 × 5.10 mm
• Shape: Oval
Stone 2:
• Measurements: 6.84 × 6.77 × 4.96 mm
• Shape: Oval
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Characteristics
• Color: Purplish Red
• Transparency: Translucent to opaque (typical for star rubies)
• Phenomenon: Visible asterism (star effect)
• Geographic Origin: India
• Treatment: No indications of treatment found (natural and untreated)
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Certification
• IGI Online Report Number: 750574520
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Highlights
• Natural untreated star rubies with clear asterism
• Matching pair – ideal for earrings or high-end custom jewelry
• Strong collector and investment potential
• Attractive size and balanced proportions
shipping & tax information:
buyers within the eu do not pay additional import taxes or duties.
buyers outside the eu may be subject to import taxes, customs duties, or other fees depending on their country.
Natural Star Ruby Pair – Rare Collector’s Gemstones
A stunning pair of natural star rubies (Star Ruby) is available for sale. These cabochon-cut gemstones display a beautiful purplish-red color and a visible asterism effect, making them highly desirable for collectors and unique jewelry pieces.
⸻
Specifications
• Variety: Star Ruby
• Species: Natural Corundum
• Total Weight: 5.80 carats (pair)
• Cut: Cabochon
Stone 1:
• Measurements: 7.03 × 6.54 × 5.10 mm
• Shape: Oval
Stone 2:
• Measurements: 6.84 × 6.77 × 4.96 mm
• Shape: Oval
⸻
Characteristics
• Color: Purplish Red
• Transparency: Translucent to opaque (typical for star rubies)
• Phenomenon: Visible asterism (star effect)
• Geographic Origin: India
• Treatment: No indications of treatment found (natural and untreated)
⸻
Certification
• IGI Online Report Number: 750574520
⸻
Highlights
• Natural untreated star rubies with clear asterism
• Matching pair – ideal for earrings or high-end custom jewelry
• Strong collector and investment potential
• Attractive size and balanced proportions
shipping & tax information:
buyers within the eu do not pay additional import taxes or duties.
buyers outside the eu may be subject to import taxes, customs duties, or other fees depending on their country.
Details
Number of stones
2
Lab report number
750574520
Gemstone type
Star Ruby
Total carat weight
5.80
Optical effect
Asterism
Cut grade
Excellent
Clarity grade
Eye clean
Treatment
No evidence of treatment
Origin as given on certificate
India
Laboratory report
International Gemological Institute (IGI)
Sealed by laboratory
No
Cutting style
Cabochon cut
Sold by
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.
