1 pcs Blue Tourmaline paraiba - 7.94 ct - Asian Institute of Gemological Sciences (AIGS) - Neon Heart-Shape Paraiba
06
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11
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Starting bid
€ 1
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Selected by Alberto Fidalgo
Qualified goldsmith, gemmologist and diamond dealer with over fifteen years experience.
Retail Estimate € 7,500 - € 9,200
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Description from the seller
Neon Blue Heart-Shaped Paraiba Tourmaline – 7.94 cts (AIGS Certified)
Gemstone: Natural Tourmaline (Paraiba)
Weight: 7.94 carats
Shape & Cut: Heart, Faceted
Color: Neon Blue
Measurements: Approx. 13.50 × 12.09 × 8.12 mm
Treatment: None indicated
Certificate: AIGS Gemstone Identification Report No. GF25050738 (Dated 21 May 2025)
Origin: Mozambique (suspected, based on Paraiba composition)
Description:
An exceptional Neon Blue Paraiba Tourmaline with a striking heart shape and vivid electric glow. This gemstone exhibits the signature copper-bearing composition that gives Paraiba tourmalines their unmatched radiance. Certified by AIGS (Asian Institute of Gemological Sciences), this 7.94 ct piece stands out for its brilliance, clean faceting, and rare color saturation.
AIGS Comments:
Due to its chemical composition, this gemstone may also be referred to as “Paraiba-type Tourmaline” according to the AIGS Grading Scale.
Highlights:
Large 7.94 ct heart-shaped neon blue tourmaline
Certified by AIGS
Intense neon blue color with excellent brilliance
Rare and collectible Paraiba specimen
Perfect for high-end jewelry or investment
Neon Blue Heart-Shaped Paraiba Tourmaline – 7.94 cts (AIGS Certified)
Gemstone: Natural Tourmaline (Paraiba)
Weight: 7.94 carats
Shape & Cut: Heart, Faceted
Color: Neon Blue
Measurements: Approx. 13.50 × 12.09 × 8.12 mm
Treatment: None indicated
Certificate: AIGS Gemstone Identification Report No. GF25050738 (Dated 21 May 2025)
Origin: Mozambique (suspected, based on Paraiba composition)
Description:
An exceptional Neon Blue Paraiba Tourmaline with a striking heart shape and vivid electric glow. This gemstone exhibits the signature copper-bearing composition that gives Paraiba tourmalines their unmatched radiance. Certified by AIGS (Asian Institute of Gemological Sciences), this 7.94 ct piece stands out for its brilliance, clean faceting, and rare color saturation.
AIGS Comments:
Due to its chemical composition, this gemstone may also be referred to as “Paraiba-type Tourmaline” according to the AIGS Grading Scale.
Highlights:
Large 7.94 ct heart-shaped neon blue tourmaline
Certified by AIGS
Intense neon blue color with excellent brilliance
Rare and collectible Paraiba specimen
Perfect for high-end jewelry or investment
Details
Nr of stones
1
Lab report number
GF25050738
Gemstone type
Tourmaline paraiba
Total carat weight
7.94
Gemstone colour
Blue
Cut grade
Very good
Clarity grade
Slight
Treatment
No heat treatment
Origin as given on certificate
Mozambique
Laboratory Report
Asian Institute of Gemological Sciences (AIGS)
Sealed by laboratory
No
Title additional information
Neon Heart-Shape Paraiba
Shape
Heart
Cutting style
Faceted 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.
