17.86 carats!! Pigeon-blood ruby - top quality GÉANT - MAURITANIA - Height: 15 mm - Width: 10.1 mm- 3.57 g - (1)





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Natural ruby from Mauritania weighing 17.86 carats, raspberry red in colour, translucent, unheated and untreated, with a rough crystal form.
Description from the seller
An exceptional, 100% natural rough ruby of 17.86 carats from Mauritania, selected for its gorgeous raspberry red color, remarkable brilliance, and captivating crystal structure.
This gemstone reveals an intense red hue with vibrant pinkish-red nuances, especially spectacular when illuminated. Its beautiful translucency reveals a captivating color depth, enhanced by light variations that showcase the crystal’s full beauty.
With a weight of nearly 18 carats and its natural morphology, this ruby is a particularly attractive collectible piece, also of great interest to specialized lapidaries.
Technical characteristics
- Stone: Natural ruby – red corundum variety
- Weight: 17.86 carats
- Dimensions: 15 × 10.1 × 10 mm
- Origin: Mauritania
- Color: Intense raspberry red, pinkish-red nuances
- Clarity: Translucent, remarkable light transmission under backlighting
- Condition: Natural rough crystal
- Treatment: None – Untreated, unheated
- Authenticity: 100% natural
Gemological analysis – An intense color and a beautiful crystal structure
This magnificent ruby stands out for its particularly bright red coloration, coupled with translucency that allows appreciation of the full depth of its natural nuances.
Under backlighting, the crystal reveals superb raspberry red tones, with luminous areas contrasting elegantly with deeper parts.
Its morphology also features beautiful growth structures and natural internal characteristics, contributing to its mineralogical authenticity and unique character.
The combination of its weight, color and light transmission makes it an interesting specimen for collection and for potential lapidary study.
History and rarity – The timeless prestige of the ruby
For millennia, ruby has been considered one of the most prestigious gemstones in the world.
Symbol of passion, power and nobility, it has adorned royal treasures and the greatest gem collections throughout history.
Its famous red color primarily comes from the presence of chromium in its crystal structure, responsible for its highly sought-after hues.
Natural rubies combining intense coloration, substantial weight and beautiful translucency are especially prized by collectors and gemstone professionals.
This 17.86-carat specimen represents a magnificent expression of red corundum in its natural state.
A collectible piece and lapidary interest
This ruby offers a wonderful opportunity for natural gemstone lovers seeking a gem with character.
Its brilliant raspberry red color, its impressive brilliance, and its natural morphology give it undeniable aesthetic and gemological appeal.
It could enrich a collection of natural gems or be studied by an experienced lapidary wishing to appreciate its transformation potential.
Practical information
- Photographs were taken of the stone exactly as offered for sale.
- Backlighting used to reveal its translucency and natural nuances.
- Colors may vary slightly depending on lighting and screens.
- Carefully prepared and protected shipping.
A magnificent opportunity to acquire a natural 17.86-carat rough ruby, combining captivating raspberry red color, remarkable brilliance, and all the prestige of one of the world’s most iconic gemstones.
Terms and Conditions of Sale – MineralsOpals:
At MineralsOpals, your satisfaction is a top priority.
All orders are handled with the utmost care, from stone selection to final shipment.
- Shipping & timing:
Dispatch within 1 to 3 business days maximum, usually the day after the order.
Shipping Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Careful packaging: each stone is individually protected, then placed in a secure rigid carton.
- Warranty & customer service:
100% of shipments are guaranteed: if there is a problem, we always find a solution.
You buy with complete confidence: full refund, replacement, or a courtesy gesture in case of loss or proven issue.
If you have a question, doubt, or specific request, you can contact me at any time; I’m happy to respond promptly.
Trust & engagement
Each stone is photographed with care to reflect its natural beauty.
You benefit from personalized tracking.
My goal: to offer you a reliable, humane, and transparent buying experience.
Thank you for your support.
Feel free to browse our non-reserve auctions to discover other exceptional products and follow us to stay informed about our new offers.
Seller's Story
An exceptional, 100% natural rough ruby of 17.86 carats from Mauritania, selected for its gorgeous raspberry red color, remarkable brilliance, and captivating crystal structure.
This gemstone reveals an intense red hue with vibrant pinkish-red nuances, especially spectacular when illuminated. Its beautiful translucency reveals a captivating color depth, enhanced by light variations that showcase the crystal’s full beauty.
With a weight of nearly 18 carats and its natural morphology, this ruby is a particularly attractive collectible piece, also of great interest to specialized lapidaries.
Technical characteristics
- Stone: Natural ruby – red corundum variety
- Weight: 17.86 carats
- Dimensions: 15 × 10.1 × 10 mm
- Origin: Mauritania
- Color: Intense raspberry red, pinkish-red nuances
- Clarity: Translucent, remarkable light transmission under backlighting
- Condition: Natural rough crystal
- Treatment: None – Untreated, unheated
- Authenticity: 100% natural
Gemological analysis – An intense color and a beautiful crystal structure
This magnificent ruby stands out for its particularly bright red coloration, coupled with translucency that allows appreciation of the full depth of its natural nuances.
Under backlighting, the crystal reveals superb raspberry red tones, with luminous areas contrasting elegantly with deeper parts.
Its morphology also features beautiful growth structures and natural internal characteristics, contributing to its mineralogical authenticity and unique character.
The combination of its weight, color and light transmission makes it an interesting specimen for collection and for potential lapidary study.
History and rarity – The timeless prestige of the ruby
For millennia, ruby has been considered one of the most prestigious gemstones in the world.
Symbol of passion, power and nobility, it has adorned royal treasures and the greatest gem collections throughout history.
Its famous red color primarily comes from the presence of chromium in its crystal structure, responsible for its highly sought-after hues.
Natural rubies combining intense coloration, substantial weight and beautiful translucency are especially prized by collectors and gemstone professionals.
This 17.86-carat specimen represents a magnificent expression of red corundum in its natural state.
A collectible piece and lapidary interest
This ruby offers a wonderful opportunity for natural gemstone lovers seeking a gem with character.
Its brilliant raspberry red color, its impressive brilliance, and its natural morphology give it undeniable aesthetic and gemological appeal.
It could enrich a collection of natural gems or be studied by an experienced lapidary wishing to appreciate its transformation potential.
Practical information
- Photographs were taken of the stone exactly as offered for sale.
- Backlighting used to reveal its translucency and natural nuances.
- Colors may vary slightly depending on lighting and screens.
- Carefully prepared and protected shipping.
A magnificent opportunity to acquire a natural 17.86-carat rough ruby, combining captivating raspberry red color, remarkable brilliance, and all the prestige of one of the world’s most iconic gemstones.
Terms and Conditions of Sale – MineralsOpals:
At MineralsOpals, your satisfaction is a top priority.
All orders are handled with the utmost care, from stone selection to final shipment.
- Shipping & timing:
Dispatch within 1 to 3 business days maximum, usually the day after the order.
Shipping Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Careful packaging: each stone is individually protected, then placed in a secure rigid carton.
- Warranty & customer service:
100% of shipments are guaranteed: if there is a problem, we always find a solution.
You buy with complete confidence: full refund, replacement, or a courtesy gesture in case of loss or proven issue.
If you have a question, doubt, or specific request, you can contact me at any time; I’m happy to respond promptly.
Trust & engagement
Each stone is photographed with care to reflect its natural beauty.
You benefit from personalized tracking.
My goal: to offer you a reliable, humane, and transparent buying experience.
Thank you for your support.
Feel free to browse our non-reserve auctions to discover other exceptional products and follow us to stay informed about our new offers.
Seller's Story
Details
Disclaimer
It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.
It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.

