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

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ID: 707940
Weight: 5.27ct
Size: 9 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 101.18
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ID: 523620
Weight: 10.38ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 164.42
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ID: 708238
Weight: 5.39ct
Size: 10.1 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 103.49
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ID: 739235
Weight: 9.87ct
Size: 11.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 549.17
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ID: 523429
Weight: 15.09ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 239.03
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ID: 521288
Weight: 19.19ct
Size: 16.8 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 303.97
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ID: 708093
Weight: 4.28ct
Size: 10.1 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.18
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ID: 523613
Weight: 11.47ct
Size: 12.5 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 181.68
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ID: 525654
Weight: 6.93ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 109.78
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ID: 522076
Weight: 17.49ct
Size: 15.6 x 13.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 230.87
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ID: 708098
Weight: 3.60ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 69.12
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ID: 708241
Weight: 5.18ct
Size: 9.9 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.46
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ID: 707950
Weight: 3.05ct
Size: 8.8 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.56
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ID: 522077
Weight: 16.49ct
Size: 15.8 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 261.20
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ID: 522074
Weight: 13.70ct
Size: 14.9 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 217.01
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ID: 524850
Weight: 8.53ct
Size: 12.7 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.12
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ID: 521629
Weight: 15.55ct
Size: 15.7 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 246.31
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ID: 522391
Weight: 33.20ct
Size: 20.4 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 525.89
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ID: 739228
Weight: 6.23ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 346.64
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ID: 522238
Weight: 29.22ct
Size: 19 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 462.84
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ID: 707876
Weight: 5.04ct
Size: 9.4 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.77
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ID: 522104
Weight: 15.14ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 239.82
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ID: 739237
Weight: 9.04ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 502.99
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ID: 522974
Weight: 25.89ct
Size: 17.9 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 410.10
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ID: 525656
Weight: 6.24ct
Size: 10.8 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 98.84
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ID: 524856
Weight: 6.32ct
Size: 11.1 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.10
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ID: 524798
Weight: 7.13ct
Size: 11.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.94
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ID: 524861
Weight: 9.31ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 147.47
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ID: 522082
Weight: 15.26ct
Size: 16.2 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 241.72
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ID: 525317
Weight: 4.56ct
Size: 10.9 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.23
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ID: 618087
Weight: 9.59ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 177.23
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ID: 708232
Weight: 4.12ct
Size: 9.4 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.10
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ID: 708237
Weight: 5.15ct
Size: 10 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 98.88
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ID: 522237
Weight: 23.70ct
Size: 17.5 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 375.41
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ID: 662647
Weight: 8.61ct
Size: 12.7 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 123.98
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ID: 525651
Weight: 10.86ct
Size: 13.6 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 172.02
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ID: 707944
Weight: 3.74ct
Size: 8.6 x 7.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.81
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ID: 521635
Weight: 15.19ct
Size: 15.2 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 240.61
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ID: 522085
Weight: 20.08ct
Size: 16.9 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 318.07
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ID: 522075
Weight: 16.94ct
Size: 16.1 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 268.33
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ID: 707951
Weight: 4.40ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 84.48
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ID: 525310
Weight: 6.10ct
Size: 11.5 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.62
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ID: 739220
Weight: 11.86ct
Size: 12.2 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 659.89
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ID: 522079
Weight: 14.94ct
Size: 15.1 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 236.65
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ID: 524855
Weight: 10.98ct
Size: 12.8 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 173.93
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ID: 707868
Weight: 5.56ct
Size: 9.4 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 106.75
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ID: 720088
Weight: 5.18ct
Size: 9.6 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.46
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ID: 522241
Weight: 21.03ct
Size: 17.9 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 333.12
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ID: 525151
Weight: 7.59ct
Size: 12.3 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.23
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ID: 522397
Weight: 18.06ct
Size: 17.1 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 286.07
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ID: 522105
Weight: 14.52ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 229.99
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ID: 524794
Weight: 9.23ct
Size: 12.5 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 146.21
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ID: 528186
Weight: 6.08ct
Size: 10 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.31
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ID: 523132
Weight: 12.45ct
Size: 14.7 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 197.21
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ID: 708242
Weight: 3.59ct
Size: 9.3 x 8.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.93
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ID: 708097
Weight: 3.19ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 61.25
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ID: 739234
Weight: 9.90ct
Size: 12.6 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 550.84
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ID: 521637
Weight: 20.21ct
Size: 16.2 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 320.12
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ID: 521630
Weight: 20.12ct
Size: 17 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 318.70
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ID: 523123
Weight: 11.27ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 178.51
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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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay 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 -> 9 star ratings

This was my first experience with this site and it was good. After I receiving my product will the ultimate deciding factor whether or not I return for another purchase. I hope to return.

Posted By Online Shopper in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay 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 -> 9 star ratings

This was my first experience with this site and it was good. After I receiving my product will the ultimate deciding factor whether or not I return for another purchase. I hope to return.

Posted By Online Shopper in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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