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

Black Star Sapphire Weight
Black Star Sapphire Size
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Black Star Sapphire Price

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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: 683625
Weight: 3.64ct
Size: 9.1 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.62
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ID: 683489
Weight: 4.30ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 92.88
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ID: 683976
Weight: 11.05ct
Size: 14.7 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 172.38
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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: 683491
Weight: 4.23ct
Size: 9.4 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 91.37
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ID: 683400
Weight: 4.67ct
Size: 10.7 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.87
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ID: 682738
Weight: 8.75ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 210.00
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ID: 683490
Weight: 2.85ct
Size: 9.4 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.56
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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 -> 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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 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.

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Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 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