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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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ID: 707942
Weight: 2.97ct
Size: 9 x 6.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.02
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ID: 521294
Weight: 23.39ct
Size: 17.3 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 370.50
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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: 527880
Weight: 6.74ct
Size: 9.6 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.06
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ID: 708234
Weight: 3.77ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 72.38
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ID: 708090
Weight: 4.69ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 90.05
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ID: 708104
Weight: 4.13ct
Size: 7.9 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.30
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ID: 707943
Weight: 3.60ct
Size: 9.9 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.12
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ID: 708374
Weight: 3.24ct
Size: 8.9 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.21
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ID: 524796
Weight: 7.06ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 101.66
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ID: 520873
Weight: 13.67ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 216.53
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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: 707940
Weight: 5.27ct
Size: 9 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 101.18
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ID: 707946
Weight: 5.24ct
Size: 9.5 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.61
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ID: 708622
Weight: 4.20ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 80.64
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ID: 524797
Weight: 6.06ct
Size: 11.7 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 95.99
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ID: 672500
Weight: 11.24ct
Size: 13.8 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 134.88
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ID: 707945
Weight: 2.94ct
Size: 11.1 x 6.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.45
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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: 708030
Weight: 3.63ct
Size: 9.7 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.70
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ID: 708035
Weight: 3.51ct
Size: 10.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.39
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ID: 521289
Weight: 22.94ct
Size: 17.3 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 363.37
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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: 708088
Weight: 5.96ct
Size: 8.7 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.43
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ID: 619374
Weight: 6.14ct
Size: 11.8 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 113.47
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ID: 708105
Weight: 3.66ct
Size: 9.3 x 8.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.27
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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: 521288
Weight: 19.19ct
Size: 16.8 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 303.97
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ID: 672502
Weight: 10.93ct
Size: 12.9 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 131.16
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ID: 708034
Weight: 3.29ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 63.17
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ID: 708084
Weight: 4.42ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 84.86
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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: 524798
Weight: 7.13ct
Size: 11.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.94
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ID: 708026
Weight: 5.15ct
Size: 8.5 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 98.88
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ID: 524795
Weight: 9.04ct
Size: 12.9 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 143.20
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ID: 708100
Weight: 3.16ct
Size: 10.6 x 8.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.67
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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: 708106
Weight: 3.68ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 70.66
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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: 708032
Weight: 4.24ct
Size: 8.8 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 81.41
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ID: 708029
Weight: 4.85ct
Size: 9.8 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.12
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ID: 524792
Weight: 6.46ct
Size: 12.6 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.32
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ID: 708376
Weight: 3.83ct
Size: 9 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.54
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ID: 708101
Weight: 3.84ct
Size: 9.6 x 6.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.73
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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: 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: 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: 708237
Weight: 5.15ct
Size: 10 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 98.88
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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: 708233
Weight: 4.41ct
Size: 9.5 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.67
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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: 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: 707951
Weight: 4.40ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 84.48
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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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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 18 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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 -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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 -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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