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Black Star Sapphire, Natural Star Sapphires, Round, Oval, Pear. Wholesale Black Star Sapphire

Black Star Sapphire, Natural Star Sapphires, Round, Oval, Pear. Wholesale Black Star Sapphire

See our black star sapphire gemstone collection. Featuring natural asterism and unparalleled beauty. Our collection includes loose star sapphires, black star sapphire loose stones, and rare black star sapphires available in various carat weights. Ideal for creating bespoke jewelry, these loose gemstones showcase the timeless elegance of star sapphires. Discover the perfect black sapphire to complement your design vision.

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Black Star Sapphire Price

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ID: 683566
Weight: 2.92ct
Size: 9 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.07
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ID: 683217
Weight: 2.19ct
Size: 8.8 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.30
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ID: 683629
Weight: 2.50ct
Size: 8.9 x 6.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.00
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ID: 683214
Weight: 3.91ct
Size: 9.4 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.46
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ID: 683968
Weight: 17.54ct
Size: 15.6 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 228.02
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ID: 683536
Weight: 4.35ct
Size: 10.4 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.96
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ID: 683561
Weight: 3.50ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.60
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ID: 683979
Weight: 19.98ct
Size: 15.6 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 311.69
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ID: 682737
Weight: 7.59ct
Size: 11.8 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 182.16
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ID: 682741
Weight: 9.54ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 228.96
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ID: 683220
Weight: 3.50ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.60
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ID: 683564
Weight: 3.95ct
Size: 10 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.32
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ID: 683380
Weight: 4.38ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 88.13
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ID: 683619
Weight: 3.95ct
Size: 9.2 x 7.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.32
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ID: 683405
Weight: 5.20ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 112.32
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ID: 683335
Weight: 5.81ct
Size: 10.4 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 125.50
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ID: 682736
Weight: 6.67ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 160.08
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ID: 682726
Weight: 7.18ct
Size: 11.7 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 172.32
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ID: 683225
Weight: 3.62ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 78.19
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ID: 683495
Weight: 3.16ct
Size: 9.5 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.26
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ID: 683621
Weight: 3.70ct
Size: 10.4 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.92
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ID: 683540
Weight: 4.00ct
Size: 10.5 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 86.40
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ID: 678293
Weight: 4.08ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 73.44
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ID: 683402
Weight: 4.91ct
Size: 9.8 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 106.06
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ID: 683334
Weight: 2.82ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 60.91
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ID: 682968
Weight: 7.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 183.36
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ID: 683171
Weight: 2.95ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 63.72
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ID: 682690
Weight: 6.43ct
Size: 11.5 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 154.32
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ID: 683569
Weight: 3.19ct
Size: 9.6 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.90
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ID: 678299
Weight: 6.28ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 113.04
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ID: 682739
Weight: 6.83ct
Size: 11.7 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 163.92
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ID: 683378
Weight: 4.05ct
Size: 9.6 x 7.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.48
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ID: 682729
Weight: 4.92ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 117.60
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ID: 683975
Weight: 11.35ct
Size: 14.4 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 177.06
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ID: 683377
Weight: 5.23ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 112.97
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ID: 683496
Weight: 4.70ct
Size: 9.2 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.52
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ID: 682721
Weight: 7.81ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 187.44
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ID: 683570
Weight: 3.42ct
Size: 10.1 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.87
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ID: 683394
Weight: 2.77ct
Size: 8.1 x 6.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.83
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ID: 683622
Weight: 4.27ct
Size: 9.2 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 92.23
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ID: 683374
Weight: 5.51ct
Size: 11.1 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 119.02
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ID: 683375
Weight: 4.45ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 96.12
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ID: 682965
Weight: 7.80ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 187.20
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ID: 678303
Weight: 4.26ct
Size: 10.7 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.68
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ID: 682757
Weight: 2.97ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 53.46
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ID: 683342
Weight: 6.28ct
Size: 10.5 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.65
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ID: 682732
Weight: 5.59ct
Size: 11.2 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 134.16
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ID: 683395
Weight: 2.36ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 50.98
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ID: 683338
Weight: 5.40ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 116.64
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ID: 682751
Weight: 2.74ct
Size: 8.2 x 6.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 229.32
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ID: 683696
Weight: 5.71ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 123.34
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ID: 682740
Weight: 5.39ct
Size: 10.2 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 129.36
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ID: 683539
Weight: 4.70ct
Size: 10.5 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.52
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ID: 682728
Weight: 6.71ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 161.04
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ID: 683537
Weight: 4.06ct
Size: 9.4 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.70
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ID: 684799
Weight: 41.19ct
Size: 20.2 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 642.56
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ID: 683624
Weight: 4.54ct
Size: 10.8 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 98.06
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ID: 683223
Weight: 3.26ct
Size: 9.7 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.42
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ID: 682776
Weight: 3.50ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 63.00
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ID: 678296
Weight: 5.76ct
Size: 10.4 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 103.68
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FAQs

What is black star sapphire?

A black star sapphire is a unique gemstone known for its captivating asterism, a star-like pattern that appears on the surface when exposed to light. These rare black star sapphires are highly sought after for their distinct beauty and durability.

What causes the star effect in black star sapphires?

The star effect, or asterism, in black star sapphires is caused by the reflection of light on needle-like inclusions within the stone. These inclusions are typically made of rutile, creating the stunning star pattern seen in loose star sapphires.

Are loose black star sapphires suitable for jewelry?

Yes, loose black star sapphires are perfect for creating custom jewelry pieces, such as rings, pendants, and earrings. Their durability, with a Mohs hardness of 9, makes them an excellent choice for everyday wear.

What is the difference between a black star sapphire and a regular sapphire?

While both are varieties of sapphire, black star sapphires exhibit asterism, which sets them apart. Regular sapphires, such as blue or pink sapphires, lack this unique star-like effect found in loose black star sapphires.

How do I choose a loose black star sapphire?

When selecting a loose black star sapphire, consider the clarity, carat weight, and prominence of the star effect. Rare black star sapphires with a distinct six-rayed star pattern are particularly valuable.

Are black star sapphires natural?

Most black star sapphires are natural and untreated, but some may undergo enhancements to improve their appearance. Always purchase from a trusted source to ensure the authenticity of loose black star sapphires.

How much do black star sapphires cost?

The price of black star sapphires varies based on their size, quality, and rarity. Loose black star sapphires with a strong, well-defined asterism and higher carat weight typically command higher prices.

Can I buy loose black star sapphires in bulk?

Yes, many gemstone suppliers offer wholesale options for loose black star sapphires. This is a great choice for jewelers or collectors looking to purchase multiple high-quality loose gemstones.

Where can I find rare black star sapphires?

Rare black star sapphires are available through reputable gemstone retailers, both online and in-store. Look for detailed descriptions, certifications, and images when shopping for loose star sapphires.

Are loose star sapphires good for investment?

Loose star sapphires, especially rare black star sapphires with exceptional asterism, can be a great investment. Their rarity and timeless appeal make them a valuable addition to any gemstone collection.

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

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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

What Makes Black Star Sapphire Special?

The black star sapphire is a unique gemstone known for its mesmerizing asterism, which appears as a radiant star on its surface. These star sapphires are often cut into cabochons to enhance their natural beauty. Our collection of loose star sapphires includes a variety of sizes and carat weights, ensuring you'll find the perfect gemstone for your needs.

How to Use Loose Star Sapphires in Jewelry

A loose black star sapphire is an excellent choice for custom jewelry pieces. These black star sapphires can be set into rings, pendants, or earrings, offering timeless elegance. Whether you’re crafting a statement piece with a rare black star sapphire or opting for a minimalist design with a smaller star sapphire, the options are endless.

Why Choose Black Star Sapphires?

Black star sapphires are valued for their durability, with a Mohs hardness of 9, making them ideal for everyday wear. Their striking appearance, characterized by the star-like effect, sets them apart from other black gemstones. Each black star sapphire loose stone in our collection is carefully selected for its quality and natural beauty.

Shop Black Star Sapphires at Affordable Prices

We take pride in offering a diverse selection of loose gemstones, including black star sapphires, at competitive prices. Browse our collection to find the perfect loose star sapphire or black sapphire for your next jewelry project.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

FAQ's

What is black star sapphire?

A black star sapphire is a unique gemstone known for its captivating asterism, a star-like pattern that appears on the surface when exposed to light. These rare black star sapphires are highly sought after for their distinct beauty and durability.

What causes the star effect in black star sapphires?

The star effect, or asterism, in black star sapphires is caused by the reflection of light on needle-like inclusions within the stone. These inclusions are typically made of rutile, creating the stunning star pattern seen in loose star sapphires.

Are loose black star sapphires suitable for jewelry?

Yes, loose black star sapphires are perfect for creating custom jewelry pieces, such as rings, pendants, and earrings. Their durability, with a Mohs hardness of 9, makes them an excellent choice for everyday wear.

What is the difference between a black star sapphire and a regular sapphire?

While both are varieties of sapphire, black star sapphires exhibit asterism, which sets them apart. Regular sapphires, such as blue or pink sapphires, lack this unique star-like effect found in loose black star sapphires.

How do I choose a loose black star sapphire?

When selecting a loose black star sapphire, consider the clarity, carat weight, and prominence of the star effect. Rare black star sapphires with a distinct six-rayed star pattern are particularly valuable.

Are black star sapphires natural?

Most black star sapphires are natural and untreated, but some may undergo enhancements to improve their appearance. Always purchase from a trusted source to ensure the authenticity of loose black star sapphires.

How much do black star sapphires cost?

The price of black star sapphires varies based on their size, quality, and rarity. Loose black star sapphires with a strong, well-defined asterism and higher carat weight typically command higher prices.

Can I buy loose black star sapphires in bulk?

Yes, many gemstone suppliers offer wholesale options for loose black star sapphires. This is a great choice for jewelers or collectors looking to purchase multiple high-quality loose gemstones.

Where can I find rare black star sapphires?

Rare black star sapphires are available through reputable gemstone retailers, both online and in-store. Look for detailed descriptions, certifications, and images when shopping for loose star sapphires.

Are loose star sapphires good for investment?

Loose star sapphires, especially rare black star sapphires with exceptional asterism, can be a great investment. Their rarity and timeless appeal make them a valuable addition to any gemstone collection.

Enlarged Gemstone Image