1 pcs Blue, Violet Sapphire - 6.01 ct - Lotus Gemology
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08
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Current bid
€ 550
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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 € 20,000 - € 25,000
 | €550 | |
|---|---|---|
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Natural color-change sapphire, 1 stone, 6.01 ct, from Sri Lanka, blue in daylight changing to bluish violet under incandescent light, unheated and Lotus Gemology certified (Report No. 1740-4068).
AI-assisted summary
Description from the seller
Natural Color-Change Sapphire – 6.01 ct | Unheated | Sri Lanka (Ceylon) | Lotus Gemology Certified
A remarkable 6.01 ct Natural Color-Change Sapphire from the renowned gem deposits of Sri Lanka (Ceylon). This exceptional gemstone displays a beautiful color shift from Blue in daylight to Bluish Violet under incandescent light, making it a rare and highly collectible gem.
Gemstone Details
* Gemstone: Natural Color-Change Sapphire
* Weight: 6.01 ct
* Origin: Sri Lanka (Ceylon)
* Dimensions: 11.44 × 8.46 × 6.60 mm
* Shape: Antique Cushion
* Cut: Faceted
* Transparency: Transparent
* Color (Daylight): Blue
* Color Change: Blue → Bluish Violet
* Tone: Medium
* Saturation: Rich
* Treatment: No indications of heating or treatment (Unheated)
* Certification: Lotus Gemology Report No. 1740-4068
This sapphire is accompanied by an original Lotus Gemology certificate, one of the world’s most respected gemstone laboratories, confirming its natural origin, color-change phenomenon, and lack of heat treatment.
Shipping:
This item will be carefully packed and shipped from Thailand with secure packaging and a fully trackable courier service.
A beautiful collector’s gemstone and an excellent choice for high-end jewelry or investment.
Natural Color-Change Sapphire – 6.01 ct | Unheated | Sri Lanka (Ceylon) | Lotus Gemology Certified
A remarkable 6.01 ct Natural Color-Change Sapphire from the renowned gem deposits of Sri Lanka (Ceylon). This exceptional gemstone displays a beautiful color shift from Blue in daylight to Bluish Violet under incandescent light, making it a rare and highly collectible gem.
Gemstone Details
* Gemstone: Natural Color-Change Sapphire
* Weight: 6.01 ct
* Origin: Sri Lanka (Ceylon)
* Dimensions: 11.44 × 8.46 × 6.60 mm
* Shape: Antique Cushion
* Cut: Faceted
* Transparency: Transparent
* Color (Daylight): Blue
* Color Change: Blue → Bluish Violet
* Tone: Medium
* Saturation: Rich
* Treatment: No indications of heating or treatment (Unheated)
* Certification: Lotus Gemology Report No. 1740-4068
This sapphire is accompanied by an original Lotus Gemology certificate, one of the world’s most respected gemstone laboratories, confirming its natural origin, color-change phenomenon, and lack of heat treatment.
Shipping:
This item will be carefully packed and shipped from Thailand with secure packaging and a fully trackable courier service.
A beautiful collector’s gemstone and an excellent choice for high-end jewelry or investment.
Details
Number of stones
1
Lab report number
1740-4068
Gemstone type
Sapphire
Total carat weight
6.01
Gemstone colour
Blue, Violet
Optical effect
Colour change
Transparency
Transparent
Clarity grade
Slight
Treatment
No evidence of treatment
Origin as given on certificate
Sri Lanka
Laboratory report
Lotus Gemology
Sealed by laboratory
No
Shape
Cushion
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.
