21.73 carats!! Pigeon-blood rubies - top quality GÉANT - MAURITANIA - Height: 20 mm - Width: 11.4 mm- 4.35 g - (1)





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Natural ruby rough of 21.73 carats from Mauritania, raspberry-red colour with translucent transmission, dimensions 20 × 11.4 × 8.2 mm, unheated and untreated crystal.
Description from the seller
Discover an exceptional, 100% natural rough ruby of 21.73 carats, originating from Mauritania, selected for its sumptuous raspberry-red color, remarkable light transmission, and stunning crystal structure.
This gemstone stands out for its intense, radiant pinkish-red hue, revealing superb light nuances when traversed by light. Its particularly alluring translucency highlights the depth of its color and the natural features at the heart of the crystal.
With a weight exceeding 21 carats, a beautiful morphology, and entirely natural character, this ruby is a prestigious collector’s piece and also of interest to lapidaries seeking characterful rough gemstones.
Technical specifications
- Stone: Natural ruby – red corundum variety
- Weight: 21.73 carats
- Dimensions: 20 × 11.4 × 8.2 mm
- Origin: Mauritania
- Color: Intense raspberry red, pinkish-red nuances
- Clarity: Translucent, excellent light transmission
- Condition: Natural rough crystal
- Treatment: None – Unheated, untreated
- Authenticity: 100% natural
Gemmological analysis – A remarkable color
This ruby features a beautiful raspberry-red color, accompanied by translucency that is one of its key attractions.
Under backlighting, light passes through a large portion of the crystal and reveals superb chromatic intensity, with nuances ranging from glowing pink to deep red.
Its natural structure shows lovely growth lines, internal variations, and crystallographic features that attest to its geological formation.
The combination of its color, dimensions, and luminosity makes it a particularly appealing specimen for natural corundums enthusiasts.
History and rarity – The prestige of the ruby
Since antiquity, the ruby has been among the most admired and sought-after gemstones in the world.
Regarded as a symbol of power, passion, and nobility, it has long occupied a privileged place in royal treasuries and prestigious collections.
Its famous red coloration primarily arises from chromium within its crystal structure.
Natural rubies with significant weight, attractive color, and good light transmission hold particular appeal for collectors and gemology professionals.
A collector’s piece and lapidary interest
With its 21.73 carats, this magnificent rough ruby is a premier addition to enrich a collection of natural gemstones.
Its intense color, beautiful translucency, and crystal morphology also make it of interest to lapidaries who wish to study its transformation potential.
It represents a fine opportunity to acquire a natural gem with character, appreciable for both its aesthetics and its mineralogical interest.
Practical information
- Photos taken of the stone actually offered for sale.
- Backlighting used to highlight its translucency and nuances.
- Colors may vary slightly depending on screens and lighting conditions.
- Shipment carefully prepared and protected.
A remarkable 21.73-carat piece, combining a sumptuous raspberry-red color, good brightness, and all the timeless prestige of a natural ruby.
Terms and Conditions of Sale – MineralsOpals:
At MineralsOpals, your satisfaction is our top priority.
All orders are handled with the utmost care, from stone selection to final shipping.
- Shipping & timelines:
Dispatch within 1 to 3 business days at most, usually the day after the order.
Shipping from Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Carefully packaged: each stone is individually protected, then placed in a rigid, secure carton.
- Guarantee & customer service:
100% of shipments are guaranteed: if there is an issue, we always find a solution.
You buy with complete confidence: full refund, replacement, or a goodwill gesture in case of loss or proven issue.
If you have any questions, doubts, or specific requests, you can contact me at any time; I’ll respond gladly as soon as possible.
Trust & commitment
Each stone is photographed with care to reflect its natural beauty.
You benefit from personalized tracking.
My goal is to offer you a reliable, human, and transparent purchasing experience.
Thank you for your support.
Do not hesitate to check our no-reserve auctions to discover other exceptional products, and follow us to stay informed about our new offers.
Seller's Story
Discover an exceptional, 100% natural rough ruby of 21.73 carats, originating from Mauritania, selected for its sumptuous raspberry-red color, remarkable light transmission, and stunning crystal structure.
This gemstone stands out for its intense, radiant pinkish-red hue, revealing superb light nuances when traversed by light. Its particularly alluring translucency highlights the depth of its color and the natural features at the heart of the crystal.
With a weight exceeding 21 carats, a beautiful morphology, and entirely natural character, this ruby is a prestigious collector’s piece and also of interest to lapidaries seeking characterful rough gemstones.
Technical specifications
- Stone: Natural ruby – red corundum variety
- Weight: 21.73 carats
- Dimensions: 20 × 11.4 × 8.2 mm
- Origin: Mauritania
- Color: Intense raspberry red, pinkish-red nuances
- Clarity: Translucent, excellent light transmission
- Condition: Natural rough crystal
- Treatment: None – Unheated, untreated
- Authenticity: 100% natural
Gemmological analysis – A remarkable color
This ruby features a beautiful raspberry-red color, accompanied by translucency that is one of its key attractions.
Under backlighting, light passes through a large portion of the crystal and reveals superb chromatic intensity, with nuances ranging from glowing pink to deep red.
Its natural structure shows lovely growth lines, internal variations, and crystallographic features that attest to its geological formation.
The combination of its color, dimensions, and luminosity makes it a particularly appealing specimen for natural corundums enthusiasts.
History and rarity – The prestige of the ruby
Since antiquity, the ruby has been among the most admired and sought-after gemstones in the world.
Regarded as a symbol of power, passion, and nobility, it has long occupied a privileged place in royal treasuries and prestigious collections.
Its famous red coloration primarily arises from chromium within its crystal structure.
Natural rubies with significant weight, attractive color, and good light transmission hold particular appeal for collectors and gemology professionals.
A collector’s piece and lapidary interest
With its 21.73 carats, this magnificent rough ruby is a premier addition to enrich a collection of natural gemstones.
Its intense color, beautiful translucency, and crystal morphology also make it of interest to lapidaries who wish to study its transformation potential.
It represents a fine opportunity to acquire a natural gem with character, appreciable for both its aesthetics and its mineralogical interest.
Practical information
- Photos taken of the stone actually offered for sale.
- Backlighting used to highlight its translucency and nuances.
- Colors may vary slightly depending on screens and lighting conditions.
- Shipment carefully prepared and protected.
A remarkable 21.73-carat piece, combining a sumptuous raspberry-red color, good brightness, and all the timeless prestige of a natural ruby.
Terms and Conditions of Sale – MineralsOpals:
At MineralsOpals, your satisfaction is our top priority.
All orders are handled with the utmost care, from stone selection to final shipping.
- Shipping & timelines:
Dispatch within 1 to 3 business days at most, usually the day after the order.
Shipping from Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Carefully packaged: each stone is individually protected, then placed in a rigid, secure carton.
- Guarantee & customer service:
100% of shipments are guaranteed: if there is an issue, we always find a solution.
You buy with complete confidence: full refund, replacement, or a goodwill gesture in case of loss or proven issue.
If you have any questions, doubts, or specific requests, you can contact me at any time; I’ll respond gladly as soon as possible.
Trust & commitment
Each stone is photographed with care to reflect its natural beauty.
You benefit from personalized tracking.
My goal is to offer you a reliable, human, and transparent purchasing experience.
Thank you for your support.
Do not hesitate to check our no-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.

