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

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ID: 521340
Weight: 11.57ct
Size: 13.6 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 183.26
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ID: 541697
Weight: 4.05ct
Size: 8.3 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 53.46
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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: 524851
Weight: 8.86ct
Size: 12.9 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 116.95
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ID: 524858
Weight: 6.89ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 109.14
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ID: 523432
Weight: 9.44ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 149.53
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ID: 708102
Weight: 3.31ct
Size: 8.5 x 7.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.55
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ID: 708231
Weight: 5.10ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 97.92
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ID: 708095
Weight: 6.19ct
Size: 9.2 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 118.85
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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: 524860
Weight: 9.38ct
Size: 13.2 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 148.58
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ID: 707915
Weight: 4.45ct
Size: 10.3 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.44
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ID: 522108
Weight: 9.53ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 150.96
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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: 707944
Weight: 3.74ct
Size: 8.6 x 7.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.81
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ID: 708099
Weight: 4.40ct
Size: 9.4 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.40
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ID: 707905
Weight: 4.15ct
Size: 9.7 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.68
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ID: 522231
Weight: 17.03ct
Size: 16.2 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 269.76
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ID: 672503
Weight: 9.13ct
Size: 13.2 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 109.56
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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: 525309
Weight: 10.64ct
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 168.54
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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: 707869
Weight: 4.45ct
Size: 10.3 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.44
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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: 521633
Weight: 14.78ct
Size: 15.6 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 234.12
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ID: 521631
Weight: 21.95ct
Size: 16.1 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 347.69
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ID: 707908
Weight: 5.50ct
Size: 9.8 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 105.60
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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: 708033
Weight: 4.60ct
Size: 9 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 88.32
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ID: 523623
Weight: 9.50ct
Size: 13.4 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 150.48
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ID: 522098
Weight: 16.58ct
Size: 14.3 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 238.75
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ID: 708233
Weight: 4.41ct
Size: 9.5 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.67
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ID: 522235
Weight: 33.25ct
Size: 19.9 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 526.68
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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: 618087
Weight: 9.59ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 177.23
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ID: 523433
Weight: 12.54ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 198.64
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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: 707947
Weight: 3.19ct
Size: 9.5 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.25
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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: 707951
Weight: 4.40ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 84.48
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ID: 523615
Weight: 13.18ct
Size: 13.6 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 208.78
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ID: 707875
Weight: 3.85ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 73.92
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ID: 707904
Weight: 4.54ct
Size: 10.3 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.17
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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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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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 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