No reserve price - 1 pcs Blue Topaz - 30.40 ct - International Colored Gemstone Association (ICA GemLab) - Collector-Grade Gem
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Natural blue Topaz, 1 stone, 30.4 ct, octagonal step-cut, transparent and eye-clean.
AI-assisted summary
Description from the seller
A stunning 30.40 ct natural Blue Topaz showcasing a vivid blue color in a precise octagonal step cut. Transparent and eye-clean, this oversized gemstone is ideal for collectors or as a statement piece in fine jewelry.
Details:
• Species / Variety: Natural Topaz – Blue Topaz
• Dimensions: 21.14 × 14.30 × 10.40 mm
• Shape / Cut: Octagonal – Step / Step
• Transparency: Transparent
• Clarity: Eye clean
• Colour: Blue, vivid and uniform
• Lustre: Vitreous, brilliant sparkle
• Phenomena: None observed
• Condition: Excellent, no visible scratches or defects
• Treatments: Topaz is commonly heat-treated or irradiated to enhance color. For this stone, natural vs treated origin cannot be confirmed.
• Origin: Not specified on certificate
• Lab Report: ICA GemLab, Report No. TH25G115842
Shipping:
Will be securely packaged and shipped with tracking and full insurance to ensure safe delivery.
A stunning 30.40 ct natural Blue Topaz showcasing a vivid blue color in a precise octagonal step cut. Transparent and eye-clean, this oversized gemstone is ideal for collectors or as a statement piece in fine jewelry.
Details:
• Species / Variety: Natural Topaz – Blue Topaz
• Dimensions: 21.14 × 14.30 × 10.40 mm
• Shape / Cut: Octagonal – Step / Step
• Transparency: Transparent
• Clarity: Eye clean
• Colour: Blue, vivid and uniform
• Lustre: Vitreous, brilliant sparkle
• Phenomena: None observed
• Condition: Excellent, no visible scratches or defects
• Treatments: Topaz is commonly heat-treated or irradiated to enhance color. For this stone, natural vs treated origin cannot be confirmed.
• Origin: Not specified on certificate
• Lab Report: ICA GemLab, Report No. TH25G115842
Shipping:
Will be securely packaged and shipped with tracking and full insurance to ensure safe delivery.
Details
Nr of stones
1
Lab report number
TH25G115842
Gemstone type
Topaz
Total carat weight
30.40
Gemstone colour
Blue
Cut grade
Very good
Transparency
Transparent
Clarity grade
Eye clean
Treatment
Not specified in the report
Laboratory Report
International Colored Gemstone Association (ICA GemLab)
Sealed by laboratory
No
Title additional information
Collector-Grade Gem
Shape
Octagon
Cutting style
Step 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.
