X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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.

Star Ruby Weight
Star Ruby Size
Star Ruby Clarity
Star Ruby Price
Star Ruby Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
Brown
Golden
Gray
Green
Multicolor
Orange
Pink Star Ruby
Purple Star Ruby
Red Star Ruby
Turquoise
Violet
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
Clear All
  • Actual Product Photos
  • Reliable Quality
  • Full Transparency
  • Large Selection
  • Affordable Prices
  • Fast, Secure Global Shipping
ID: 523437
Weight: 12.08ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 159.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 522969
Weight: 35.51ct
Size: 19.9 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 468.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 621480
Weight: 35.88ct
Size: 19.9 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 592.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 522239
Weight: 24.29ct
Size: 17.9 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 320.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 522395
Weight: 17.99ct
Size: 16.2 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 237.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 513650
Weight: 127.45ct
Size: 28.6 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2,102.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 522675
Weight: 33.79ct
Size: 20.2 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 446.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 521594
Weight: 56.00ct
Size: 20.6 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 739.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 522233
Weight: 25.25ct
Size: 17.9 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 333.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 522390
Weight: 23.05ct
Size: 18.5 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 304.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 521457
Weight: 31.80ct
Size: 20.7 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 503.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 522964
Weight: 36.24ct
Size: 19.2 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 574.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 521459
Weight: 53.60ct
Size: 21.3 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 849.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 521636
Weight: 15.67ct
Size: 15 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 248.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 522234
Weight: 35.80ct
Size: 19.4 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 567.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 525657
Weight: 6.87ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 108.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 523620
Weight: 10.38ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 164.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 522968
Weight: 21.97ct
Size: 16.6 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 348.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 522392
Weight: 13.87ct
Size: 15.4 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 219.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 522099
Weight: 12.64ct
Size: 14.9 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 200.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 524854
Weight: 11.15ct
Size: 13.2 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 176.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 707942
Weight: 2.97ct
Size: 9 x 6.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 522230
Weight: 18.74ct
Size: 16 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 296.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 521294
Weight: 23.39ct
Size: 17.3 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 370.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 528183
Weight: 4.76ct
Size: 10.4 x 9.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 75.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 707950
Weight: 3.05ct
Size: 8.8 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 527880
Weight: 6.74ct
Size: 9.6 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 523625
Weight: 10.57ct
Size: 13.7 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 167.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 523126
Weight: 15.13ct
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 239.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 522106
Weight: 14.18ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 224.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 521600
Weight: 8.07ct
Size: 12.2 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 127.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 522103
Weight: 9.58ct
Size: 12.7 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 151.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 708086
Weight: 4.42ct
Size: 9.2 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 707949
Weight: 3.12ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 59.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 527869
Weight: 5.53ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 87.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 521337
Weight: 11.13ct
Size: 14.3 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 176.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 525315
Weight: 7.28ct
Size: 12.8 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 708234
Weight: 3.77ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 72.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 525311
Weight: 9.28ct
Size: 12 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 147.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 522077
Weight: 16.49ct
Size: 15.8 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 261.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 522241
Weight: 21.03ct
Size: 17.9 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 333.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 707878
Weight: 4.72ct
Size: 10.7 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 708090
Weight: 4.69ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 90.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 708104
Weight: 4.13ct
Size: 7.9 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 707943
Weight: 3.60ct
Size: 9.9 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 523624
Weight: 10.31ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 163.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 522974
Weight: 25.89ct
Size: 17.9 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 410.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 708374
Weight: 3.24ct
Size: 8.9 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 524796
Weight: 7.06ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 101.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 520873
Weight: 13.67ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 216.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 708097
Weight: 3.19ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 61.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 523622
Weight: 9.37ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 134.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 707940
Weight: 5.27ct
Size: 9 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 101.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 521342
Weight: 12.53ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 198.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 707946
Weight: 5.24ct
Size: 9.5 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 528182
Weight: 4.48ct
Size: 10.4 x 8.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 70.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 523128
Weight: 11.48ct
Size: 14.1 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 181.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 521635
Weight: 15.19ct
Size: 15.2 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 240.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 521632
Weight: 12.36ct
Size: 14.4 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 195.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 525312
Weight: 7.19ct
Size: 12.2 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 113.89
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
Choose Page
1 - 4

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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que 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

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Suzer in March, 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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que 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

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Suzer in March, 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