リング - 18 kt. Yellow gold - ノーヒート コーンフラワーブルー
03
days
13
hours
37
minutes
34
seconds
Current bid
€ 2,600
Reserve price not met
 | €2,600 | |
|---|---|---|
| €2,400 | |
| €2,200 | |
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Yellow gold ring (18.74 g) in size EU 53 / US 6¼, featuring a natural 25.91 ct Ceylon sapphire with cornflower blue colour, unheated, cushion/antique cushion cut, accompanied by GRS and Lotus Gemology reports, with free resizing.
AI-assisted summary
Description from the seller
Exceptional 25.9 ct Natural Ceylon Sapphire Ring – GRS & Lotus Certified
An impressive collector-grade ring featuring a 25.91 ct natural sapphire from Sri Lanka (Ceylon), accompanied by reports from both GRS GemResearch Swisslab and Lotus Gemology.
The sapphire displays an attractive blue colour and is fashioned in a substantial cushion shape with a modified brilliant/step cut, creating broad flashes of blue across the stone.
Gemstone
* Gemstone: Natural Sapphire
* Weight: 25.91 ct – GRS
* Origin: Sri Lanka (Ceylon)
* Colour: Blue
* Shape: Cushion / Antique Cushion
* Cut: Modified brilliant/step / faceted
* Measurements (GRS): 18.08 × 13.46 × 9.83 mm
* Treatment: No indication of thermal treatment
* GRS Report: GRS2025-060199
* GRS Report Date: 18 June 2025
Lotus Gemology Report
The sapphire is additionally accompanied by a Lotus Gemology report identifying the mounted stone as a Natural Sapphire of Sri Lankan (Ceylon) origin.
Lotus describes the colour type as:
“Cornflower Blue”
and likewise states:
No indications of heating/treatment.
Lotus report measurements are approximately 17.9 × 13.1 × 9.9 mm, with a gross mounted-item weight of 25.13 g.
Jewellery
The impressive sapphire is mounted in a bold, contemporary yellow-gold ring, with a polished architectural design that beautifully contrasts with the rich blue colour of the sapphire.
A particularly striking piece combining exceptional size, Ceylon origin, unheated status and Cornflower Blue colour designation, supported by two respected independent gemological laboratories.
Included: Original GRS and Lotus Gemology reports.
Please review all photographs and laboratory reports carefully, as they form an integral part of the description.
Seller's Story
From Mine to Market — Fine Quality Certified Gemstones
I am a gemstone professional dedicated to sourcing exceptional stones directly from mining regions and delivering them to collectors, investors, and jewelry houses worldwide. My focus is simple: authenticity, transparency, and uncompromising quality.
Working closely with trusted miners and local partners, I personally select gemstones at the source. By operating from mine to market, I reduce unnecessary middle layers while maintaining strict quality standards. Each stone is carefully evaluated for color, clarity, cut potential, and overall rarity before being offered for sale.
Many of my gemstones are certified by internationally recognized laboratories such as GRS, GIA, and other respected institutions to ensure confidence and peace of mind for buyers.
My specialization includes rare and high-quality stones, including fine cuprian tourmalines (Paraíba-type), emeralds, sapphires, and other collectible gems. Every piece is selected with the standards of serious collectors in mind.
I believe gemstones should not only be beautiful but also responsibly sourced and honestly represented. Clear descriptions, accurate photography, and professional communication are core principles of my business.
Whether you are a collector, investor, or jewelry designer, I aim to provide stones that combine beauty, rarity, and long-term value.
Thank you for visiting my profile. I look forward to supplying you with exceptional gemstones
Exceptional 25.9 ct Natural Ceylon Sapphire Ring – GRS & Lotus Certified
An impressive collector-grade ring featuring a 25.91 ct natural sapphire from Sri Lanka (Ceylon), accompanied by reports from both GRS GemResearch Swisslab and Lotus Gemology.
The sapphire displays an attractive blue colour and is fashioned in a substantial cushion shape with a modified brilliant/step cut, creating broad flashes of blue across the stone.
Gemstone
* Gemstone: Natural Sapphire
* Weight: 25.91 ct – GRS
* Origin: Sri Lanka (Ceylon)
* Colour: Blue
* Shape: Cushion / Antique Cushion
* Cut: Modified brilliant/step / faceted
* Measurements (GRS): 18.08 × 13.46 × 9.83 mm
* Treatment: No indication of thermal treatment
* GRS Report: GRS2025-060199
* GRS Report Date: 18 June 2025
Lotus Gemology Report
The sapphire is additionally accompanied by a Lotus Gemology report identifying the mounted stone as a Natural Sapphire of Sri Lankan (Ceylon) origin.
Lotus describes the colour type as:
“Cornflower Blue”
and likewise states:
No indications of heating/treatment.
Lotus report measurements are approximately 17.9 × 13.1 × 9.9 mm, with a gross mounted-item weight of 25.13 g.
Jewellery
The impressive sapphire is mounted in a bold, contemporary yellow-gold ring, with a polished architectural design that beautifully contrasts with the rich blue colour of the sapphire.
A particularly striking piece combining exceptional size, Ceylon origin, unheated status and Cornflower Blue colour designation, supported by two respected independent gemological laboratories.
Included: Original GRS and Lotus Gemology reports.
Please review all photographs and laboratory reports carefully, as they form an integral part of the description.
Seller's Story
From Mine to Market — Fine Quality Certified Gemstones
I am a gemstone professional dedicated to sourcing exceptional stones directly from mining regions and delivering them to collectors, investors, and jewelry houses worldwide. My focus is simple: authenticity, transparency, and uncompromising quality.
Working closely with trusted miners and local partners, I personally select gemstones at the source. By operating from mine to market, I reduce unnecessary middle layers while maintaining strict quality standards. Each stone is carefully evaluated for color, clarity, cut potential, and overall rarity before being offered for sale.
Many of my gemstones are certified by internationally recognized laboratories such as GRS, GIA, and other respected institutions to ensure confidence and peace of mind for buyers.
My specialization includes rare and high-quality stones, including fine cuprian tourmalines (Paraíba-type), emeralds, sapphires, and other collectible gems. Every piece is selected with the standards of serious collectors in mind.
I believe gemstones should not only be beautiful but also responsibly sourced and honestly represented. Clear descriptions, accurate photography, and professional communication are core principles of my business.
Whether you are a collector, investor, or jewelry designer, I aim to provide stones that combine beauty, rarity, and long-term value.
Thank you for visiting my profile. I look forward to supplying you with exceptional gemstones
Details
時代
After 2000
無料サイズ直し可
はい'
金属
Yellow gold
純度
18 kt.
総重量
18.74 g
コンディション
As new - unused
原産国
Sri Lanka
タイトル補足情報
NO HEAT CORNFLOWER BLUE
リングサイズ
53 (EU) / 13 (IT) / 6 ¼ (US)
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.
