Ring - 18 kt. Yellow gold - 25.13ct. tw. Sapphire - Cornflowe Blue Sapphire
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Unisex 18k yellow gold ring featuring a 25.13 ct, cushion-cut, cornflower blue sapphire from Sri Lanka with no evidence of treatment, eye-clean and faceted, accompanied by Lotus Gemology report 3038-2924 and a total metal weight of 18.75 g in excellent condition, ring size 57 EU.
AI-assisted summary
Description from the seller
Lotus Gold Report No : 6441-8125 Sapphire only
Lotus Gold Report No : 3038-2924 Sapphire with Ring
Gemstone Weight : 25.91 Carats
Metal Weight : 18.75 Grams
Ring Size : 57 US ( Free Resizing )
Stone : Natural Sapphire
Color : Cornflower Blue
Shape : Cushion
Measurements : 18.49x13.92x9.86 (mm)
Comments: No indication of thermal treatment
Origin : Sri Lanka
Please check Lotus Report for further information.
Shipping will be via FedEx with full insurance delivery service.
Customs and taxes:
Your country of residence may apply extra customs duties and import taxes. Extra VAT calculations are based on the tax system of your country.
We cannot be held responsible for any extra expense incurred for importing items into the purchaser's country of residence. *Please note that the buyer is always responsible for customs duties on international shipments. If you want to know the detailed amount, please contact the tax office in your area.
Important: For deliveries to France, a customs broker is required to handle the clearance process. This may result in additional costs, which are also the buyer’s responsibility. If you would like to know the exact amount, please contact the customs or tax office in your area”.
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
Lotus Gold Report No : 6441-8125 Sapphire only
Lotus Gold Report No : 3038-2924 Sapphire with Ring
Gemstone Weight : 25.91 Carats
Metal Weight : 18.75 Grams
Ring Size : 57 US ( Free Resizing )
Stone : Natural Sapphire
Color : Cornflower Blue
Shape : Cushion
Measurements : 18.49x13.92x9.86 (mm)
Comments: No indication of thermal treatment
Origin : Sri Lanka
Please check Lotus Report for further information.
Shipping will be via FedEx with full insurance delivery service.
Customs and taxes:
Your country of residence may apply extra customs duties and import taxes. Extra VAT calculations are based on the tax system of your country.
We cannot be held responsible for any extra expense incurred for importing items into the purchaser's country of residence. *Please note that the buyer is always responsible for customs duties on international shipments. If you want to know the detailed amount, please contact the tax office in your area.
Important: For deliveries to France, a customs broker is required to handle the clearance process. This may result in additional costs, which are also the buyer’s responsibility. If you would like to know the exact amount, please contact the customs or tax office in your area”.
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
Era
After 2000
Total carat weight of all stones
25.13
No. of main gemstones
1
Laboratory report
Lotus Gemology
Lab report number
3038-2924
Fineness
18 kt.
Brand jewellery
No
Total carat weight of main stone(s)
25.13
Metal
Yellow gold
Main stone
Sapphire
Colour of main stone
Blue
Total weight
18.75 g
Cut grade of main stone
Excellent
Condition
Excellent condition - barely used with minimal signs of wear
Transparency of main stone
Transparent
Clarity grade of main stone
Eye clean
Gender
Unisex
Treatment of main stone
No evidence of treatment
Title additional information
Cornflowe Blue Sapphire
Shape of main stone
Cushion
Cutting style of main stone
Faceted cut
Country of origin of main stone (if certified)
Sri Lanka
Ring size
57 (EU) / 17 (IT) / 8 (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.
