✔ Natural Gemstone
✔ Certified by Gemmologist
✔ Suitable for Engagement Rings
✔ Custom Ring Available
Collector Grade Natural Gemstone: No two sapphires are ever identical. Once this gemstone is sold, this exact piece will never return to our collection.
Want to make a custom ring with this sapphire? Contact us for design options.
Natural Ruby 0.67 Ct Cushion Cut – No Heat Loose Gemstone for Engagement Ring
One-of-a-Kind Natural Sapphire — Available Only Once
Natural Ruby 0.67 Ct Cushion Cut – No Heat Loose Gemstone for Custom Engagement Ring
This natural ruby 0.67 carat cushion cut is a premium option for buyers looking to buy natural ruby for engagement ring or bespoke jewellery. Its pigeon blood red colour offers a rich and desirable tone, making it a standout gemstone for fine jewellery.
Cut in a cushion shape, this natural ruby loose gemstone features SI clarity with visible natural inclusions. The cushion cut enhances depth of colour and brilliance, making it suitable for custom rings, pendants, or fine jewellery designs that require both character and durability.
STONE INFORMATION
• Identification - Natural Ruby
• Species - Natural Corundum
• Variety - Natural Ruby
• Shape/Cut - Cushion
• Clarity - SI
• Weight - 0.67 carat
• Colour - Pigeon Blood Red
• Measurement - 4.50 x 5.50 x 2.85
• Treatment - No Heat
• Birthstone - September
Sellers comments – Has crystal and feather inclusion
Product Information
This gemstone comes with a certificate from an authorised gemmologist.
This is a loose gemstone. It does not come as a ring.
Due to the natural colour composition of the gemstone, slight colour differences may appear under different lighting conditions.
Interested in making a custom ring with this gemstone? Please inquire for design options.
This gemstone is suitable for engagement rings, pendants, or custom jewellery. Rubies are durable and appropriate for everyday wear.
We offer custom jewellery services for our gemstones, including settings in gold, rose gold, white gold, silver, and platinum, with optional diamond accents.
Explore Related Gemstone Collections
Browse our gemstone collection, explore more in our gemstone articles, or view our Ruby collection.
Why choose a natural ruby?
Natural rubies are valued for their rich red colour and rarity. Unheated rubies retain their natural formation, making them especially desirable for collectors and fine jewellery applications.
Is a 0.67 carat ruby suitable for engagement rings?
A ruby of this size offers a delicate yet elegant presence. The cushion cut enhances colour intensity and symmetry, making it a suitable option for engagement rings or bespoke jewellery designs.
Worldwide Shipping
We provide free standard worldwide shipping, with tracking and full insurance. Estimated delivery time is 7–12 business days, though delays may occasionally occur due to international shipping conditions. Buyers are responsible for any customs duties or import taxes that may apply.
Returns
We offer a 100% money-back guarantee if you are not satisfied with your purchase. Returns are accepted within 15 days of delivery, provided the gemstone is returned in its original, unused condition. Refunds will be processed after the gemstone is received and inspected.
Important Facts About Our Gemstones
• All gemstones are natural and earth-mined, carefully inspected, cut, and polished by professionals to ensure high quality.
• Our gemstones are not lab-created. Some stones may receive basic heat treatment, which is clearly stated in each product’s specifications.
• Natural gemstones may contain inclusions such as feathers, colour bands, needle-like inclusions, or crystals, which may be visible under 10x magnification.
• Due to scale variations, please allow ±0.1 carat tolerance, which does not affect pricing.
• Images are taken from multiple angles to represent the stone accurately, though the gemstone may appear even more attractive in person. If you have any questions or special requests, please feel free to contact us. We appreciate your interest and hope to assist you again in the future.
WORLDWIDE SHIPPING
Free standard shipping worldwide! Item will be shipped from Sri Lanka with tracking number and fully insured. Delivery time is 7 - 10 business days (Due to Covid-19 delivery might take longer). Buyers are responsible for any customs and import taxes that may apply.
RETURNS
We have a 100% money back policy in case of any dis-satisfaction. You may return it within 15 days of receipt of same in original, unused and same condition. A refund would be processed after we receive the gemstone back.
We hope you enjoy your purchase and will consider us for future purchases. Please feel free to contact us with any questions or requests. Thanks.
IMPORTANT FACTS
- All our gemstones are natural and earth-mined. Each of the stones displayed are inspected carefully and are cut and polished by professionals. This enables us to provide high quality gemstones at a wholesale price.
- Our gemstones are not lab created, have not received any chemical treatments,. We sell gemstones which are either 100% natural or treated with basic heat treatment. You can find this information under specification for each product.
- Earth-mined gem stones naturally consists of natural inclusions such as feathers, colour bands, needle like inclusions, crystals. These might be visible under a 10x lens.
- Due to fluctuations in different scales please allow ± 0.1 cts for each stone. This will not affect the final price.
- In order to give you a better look of our products, we work hard to get images from different angles. However we guarantee you that the real gemstone is prettier than the images.
Please do not hesitate to Contact us for any questions or requirement.
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💎 Not Sure Which Sapphire To Choose?
Get free expert guidance before you buy.
We can help you choose the ideal gemstone based on:
✔ Color preference
✔ Budget
✔ Ring design
✔ Natural vs heated sapphires
✔ Engagement ring suitability
WHAT MAKES A RUBY VALUABLE?
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Rubies are valued based on their color (pigeon blood red being most prized), clarity, cut, carat weight, and origin. Burmese rubies are especially sought after for their exceptional quality.
ARE RUBIES DURABLE?
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Yes! Rubies rank 9 on the Mohs hardness scale, making them extremely durable and perfect for everyday wear, including rings, bracelets, and pendants.
WHAT TREATMENTS ARE COMMON FOR RUBIES?
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Heat treatment is standard and permanent, enhancing color and clarity. All treatments are disclosed to ensure transparency and buyer confidence.
HOW CAN I TELL IF A RUBY IS NATURAL?
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Natural rubies often contain inclusions visible under magnification. Certification from reputable gemological laboratories is recommended to verify authenticity.
WHAT'S THE DIFFERENCE BETWEEN RUBY AND PINK SAPPHIRE?
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Both rubies and pink sapphires are corundum. The distinction is based on color: rubies have a deeper red hue, while pink sapphires are lighter and less saturated.