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Loose Star Ruby – Natural 6-Ray Star Rubies for Gemstone Collectors and Jewellers

Loose Star Ruby – Natural 6-Ray Star Rubies for Gemstone Collectors and Jewellers

Explore our curated selection of loose star ruby gemstones, perfect for both gemstone collectors and jewelry enthusiasts. Each star ruby loose gem boasts the mesmerizing star effect, also known as asterism. From natural star ruby to unheated star ruby varieties, our collection highlights the unique beauty of these asterism gemstones. Discover the timeless allure of Burmese star rubies and more in our comprehensive range today.

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15.62ct Natural Pinkish Purple Star Ruby, Oval, Opaque, Photo A

15.62ct Natural Pinkish Purple Star Ruby, Oval, Opaque

Star Ruby

15.62ct1 pc
$ 224.93
14.9 x 12.4 mm
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16.49ct Natural Medium-Light Purple Star Ruby, Oval, Opaque, Photo A

16.49ct Natural Medium-Light Purple Star Ruby, Oval, Opaque

Star Ruby

16.49ct1 pc
$ 261.20
15.8 x 13.6 mm
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10.71ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

10.71ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

10.71ct1 pc
$ 169.64
12 x 11 mm
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15.09ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A

15.09ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

15.09ct1 pc
$ 239.03
14 x 12 mm (calibrated)
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6.10ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A

6.10ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

6.10ct1 pc
$ 96.62
11.5 x 9.3 mm
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22.76ct Natural Grayish Magenta Star Ruby, Oval, Opaque, Photo A

22.76ct Natural Grayish Magenta Star Ruby, Oval, Opaque

Star Ruby

22.76ct1 pc
$ 360.52
17.9 x 15.4 mm
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4.38ct Natural Medium Dark-Purple Star Ruby, Oval, Opaque, Photo A

4.38ct Natural Medium Dark-Purple Star Ruby, Oval, Opaque

Star Ruby

4.38ct1 pc
$ 84.10
9.6 x 8.5 mm
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3.51ct Natural Medium Red Star Ruby, Oval, Opaque, Photo A

3.51ct Natural Medium Red Star Ruby, Oval, Opaque

Star Ruby

3.51ct1 pc
$ 67.39
10.2 x 9 mm
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35.80ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A
Star Ruby Product Video (522234)

35.80ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

35.80ct1 pc
$ 567.07
19.4 x 16.9 mm
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13.37ct Natural Raspberry Red Star Ruby, Oval, Opaque, Photo A

13.37ct Natural Raspberry Red Star Ruby, Oval, Opaque

Star Ruby

13.37ct1 pc
$ 211.78
13.3 x 11.5 mm
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11.80ct Natural Magenta-Pink Star Ruby, Oval, Opaque, Photo A

11.80ct Natural Magenta-Pink Star Ruby, Oval, Opaque

Star Ruby

11.80ct1 pc
$ 169.92
15 x 12.5 mm
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10.93ct Natural Deep Wine Red Star Ruby, Oval, Opaque, Photo A

10.93ct Natural Deep Wine Red Star Ruby, Oval, Opaque

Star Ruby

10.93ct1 pc
$ 131.16
12.9 x 10.6 mm
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17.99ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A
Star Ruby Product Video (522395)

17.99ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

17.99ct1 pc
$ 237.47
16.2 x 14.3 mm
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11.13ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

11.13ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

11.13ct1 pc
$ 176.30
14.3 x 10.6 mm
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17.70ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

17.70ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

17.70ct1 pc
$ 280.37
15.8 x 13.3 mm
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11.47ct Natural Raspberry Red Star Ruby, Oval, Opaque, Photo A

11.47ct Natural Raspberry Red Star Ruby, Oval, Opaque

Star Ruby

11.47ct1 pc
$ 181.68
12.5 x 11.3 mm
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12.56ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

12.56ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

12.56ct1 pc
$ 198.95
15.3 x 12.4 mm
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9.38ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A

9.38ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

9.38ct1 pc
$ 148.58
13.2 x 10.4 mm
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9.44ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A

9.44ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

9.44ct1 pc
$ 149.53
13 x 11 mm (calibrated)
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16.58ct Natural Raspberry Red Star Ruby, Oval, Opaque, Photo A

16.58ct Natural Raspberry Red Star Ruby, Oval, Opaque

Star Ruby

16.58ct1 pc
$ 238.75
14.3 x 13 mm
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3.16ct Natural Medium Red Star Ruby, Oval, Opaque, Photo A

3.16ct Natural Medium Red Star Ruby, Oval, Opaque

Star Ruby

3.16ct1 pc
$ 60.67
10.6 x 8.1 mm
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4.15ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A

4.15ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

4.15ct1 pc
$ 79.68
9.7 x 8.8 mm
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13.63ct Natural Medium Purple Star Ruby, Oval, Opaque, Photo A

13.63ct Natural Medium Purple Star Ruby, Oval, Opaque

Star Ruby

13.63ct1 pc
$ 215.90
14.6 x 12 mm
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9.59ct Natural Pinkish Red Star Ruby, Oval, Opaque, Photo A

9.59ct Natural Pinkish Red Star Ruby, Oval, Opaque

Star Ruby

9.59ct1 pc
$ 177.23
13 x 9 mm (calibrated)
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14.78ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

14.78ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

14.78ct1 pc
$ 234.12
15.6 x 12.9 mm
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4.29ct Natural Jam Red Star Ruby, Pear Shape, Opaque, Photo A

4.29ct Natural Jam Red Star Ruby, Pear Shape, Opaque

Star Ruby

4.29ct1 pc
$ 82.37
8.7 x 7.8 mm
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8.41ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

8.41ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

8.41ct1 pc
$ 133.21
12 x 10 mm (calibrated)
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24.49ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

24.49ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

24.49ct1 pc
$ 387.92
16.5 x 15 mm
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4.98ct Natural Bright Grape Star Ruby, Oval, Opaque, Photo A

4.98ct Natural Bright Grape Star Ruby, Oval, Opaque

Star Ruby

4.98ct1 pc
$ 95.62
9.9 x 9.2 mm
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14.18ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A

14.18ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

14.18ct1 pc
$ 224.62
16 x 12 mm (calibrated)
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8.43ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A

8.43ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

8.43ct1 pc
$ 133.54
13 x 11 mm (calibrated)
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12.90ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

12.90ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

12.90ct1 pc
$ 204.34
15.4 x 12.8 mm
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FAQs

What makes a loose star ruby unique?

A loose star ruby is renowned for its captivating asterism, the star-like phenomenon visible on its surface. This unique effect makes it highly prized among gemstone collectors and jewelry enthusiasts alike.

How does the star effect appear on star rubies?

The star ruby showcases an asterism effect due to light reflecting off inclusions within the gem. Most commonly, this results in a 6-ray star ruby, which is enhanced by cutting the gem into a cabochon shape.

What are unheated star rubies?

Unheated star rubies are gemstones that have not undergone any heat treatment, preserving their natural beauty. These gems are especially sought after by collectors who value their authenticity and natural formation.

Are Burmese star rubies considered the best?

Yes, Burmese star rubies are highly esteemed for their exceptional quality, vivid red hues, and distinct star effect. They are among the most valuable types of star rubies on the market.

Why should I buy loose star rubies instead of pre-set ones?

Purchasing a loose star ruby allows for greater customization. Whether you're designing a custom piece of jewelry or adding to your collection, star ruby loose gems offer flexibility and the opportunity to inspect the quality and appearance firsthand.

What are asterism gemstones?

Asterism gemstones are stones that display a star-like effect due to light reflection. The star ruby is one of the most popular examples, admired for its radiant stars and vibrant color.

Who are loose star rubies suitable for?

Whether you're a jewelry designer or a gemstone collector, loose star rubies cater to various needs. These gems are perfect for crafting unique pieces or as standalone collectibles.

How can I identify a natural star ruby?

A natural star ruby will exhibit its star effect naturally under direct light without synthetic enhancements. Look for certifications to ensure you’re purchasing an authentic gem.

Are ruby stars rare?

Yes, ruby stars are relatively rare due to the specific conditions required for asterism to occur. This rarity contributes to their desirability and value among gem enthusiasts.

What settings work best for loose star ruby jewelry?

Loose star rubies shine in simple settings that allow the ruby’s star effect to take center stage. Rings, pendants, and brooches are popular choices for showcasing their natural beauty.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Why Choose Loose Star Ruby Gemstones?

A loose star ruby is more than just a gemstone; it’s a timeless piece of natural beauty. Known for its distinct 6-ray star ruby effect, caused by the phenomenon of asterism, these gems are highly sought after by gemstone collectors and jewelry designers. Each natural star ruby in our collection has been carefully sourced to ensure authenticity and quality. Whether you're looking for a vibrant centerpiece or a rare addition to your collection, our loose options cater to every preference.

Features of Star Ruby Loose Gemstones

Our selection includes unheated star ruby gemstones, prized for their untreated and natural appearance. You’ll also find exquisite Burmese star rubies, renowned for their intense color and quality. These asterism gemstones are cut into cabochons to maximize the star effect, making them a standout choice for unique jewelry designs. With their rich hues and remarkable clarity, our star rubies are perfect for creating one-of-a-kind pieces.

Who Are These Gems For?

Whether you’re a seasoned gemstone collector or a first-time buyer, loose star ruby gems offer versatility and value. Their distinct ruby star effect adds a touch of elegance to any setting, from rings to pendants. If you’re drawn to the brilliance of natural star ruby or the rarity of unheated star ruby, our collection has something to suit your taste.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

FAQ's

What makes a loose star ruby unique?

A loose star ruby is renowned for its captivating asterism, the star-like phenomenon visible on its surface. This unique effect makes it highly prized among gemstone collectors and jewelry enthusiasts alike.

How does the star effect appear on star rubies?

The star ruby showcases an asterism effect due to light reflecting off inclusions within the gem. Most commonly, this results in a 6-ray star ruby, which is enhanced by cutting the gem into a cabochon shape.

What are unheated star rubies?

Unheated star rubies are gemstones that have not undergone any heat treatment, preserving their natural beauty. These gems are especially sought after by collectors who value their authenticity and natural formation.

Are Burmese star rubies considered the best?

Yes, Burmese star rubies are highly esteemed for their exceptional quality, vivid red hues, and distinct star effect. They are among the most valuable types of star rubies on the market.

Why should I buy loose star rubies instead of pre-set ones?

Purchasing a loose star ruby allows for greater customization. Whether you're designing a custom piece of jewelry or adding to your collection, star ruby loose gems offer flexibility and the opportunity to inspect the quality and appearance firsthand.

What are asterism gemstones?

Asterism gemstones are stones that display a star-like effect due to light reflection. The star ruby is one of the most popular examples, admired for its radiant stars and vibrant color.

Who are loose star rubies suitable for?

Whether you're a jewelry designer or a gemstone collector, loose star rubies cater to various needs. These gems are perfect for crafting unique pieces or as standalone collectibles.

How can I identify a natural star ruby?

A natural star ruby will exhibit its star effect naturally under direct light without synthetic enhancements. Look for certifications to ensure you’re purchasing an authentic gem.

Are ruby stars rare?

Yes, ruby stars are relatively rare due to the specific conditions required for asterism to occur. This rarity contributes to their desirability and value among gem enthusiasts.

What settings work best for loose star ruby jewelry?

Loose star rubies shine in simple settings that allow the ruby’s star effect to take center stage. Rings, pendants, and brooches are popular choices for showcasing their natural beauty.

Enlarged Gemstone Image