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Shop Loose Sillimanite Gemstones – Natural Faceted and Cabochon Jewelry Stones

Shop Loose Sillimanite Gemstones – Natural Faceted and Cabochon Jewelry Stones

Browse our exceptional range of loose sillimanite, featuring sillimanite gemstones in various cuts and styles. Whether you’re searching for rare sillimanite, sillimanite for jewelry, or faceted sillimanite, we offer a diverse assortment to suit your needs. Discover sillimanite cabochons, sillimanite rough stones, and even blue sillimanite, all showcasing the renowned sillimanite hardness and beauty.

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4.09ctw Natural Green Yellow Sillimanite, Oval, VS, Photo A

4.09ctw Natural Green Yellow Sillimanite, Oval, VS

Sillimanite

4.09ct total2 pcs
$ 121.85
9 x 7 mm (calibrated)
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2.03ct Natural Medium Yellow Sillimanite, Oval, VS, Photo A

2.03ct Natural Medium Yellow Sillimanite, Oval, VS

Sillimanite

2.03ct1 pc
$ 60.48
10 x 8 mm (calibrated)
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2.63ctw Natural Greenish Yellow Sillimanite, Oval, VVS-VS, Photo A

2.63ctw Natural Greenish Yellow Sillimanite, Oval, VVS-VS

Sillimanite

2.63ct total5 pcs
$ 121.51
5.7 x 4.1 mm
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1.61ct Natural Medium Yellow Sillimanite, Oval, VS, Photo A

1.61ct Natural Medium Yellow Sillimanite, Oval, VS

Sillimanite

1.61ct1 pc
$ 61.99
8 x 6 mm (calibrated)
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2.01ct Natural Greenish Yellow Sillimanite, Oval, VVS-VS, Photo A

2.01ct Natural Greenish Yellow Sillimanite, Oval, VVS-VS

Sillimanite

2.01ct1 pc
$ 49.91
8.9 x 6.7 mm
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3.32ctw Natural Greenish Yellow Sillimanite, Oval, VVS-VS, Photo A

3.32ctw Natural Greenish Yellow Sillimanite, Oval, VVS-VS

Sillimanite

3.32ct total2 pcs
$ 98.90
9 x 7 mm (calibrated)
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3.39ctw Natural Yellow Green Sillimanite, Oval, VVS-VS, Photo A

3.39ctw Natural Yellow Green Sillimanite, Oval, VVS-VS

Sillimanite

3.39ct total2 pcs
$ 84.16
9 x 7 mm (calibrated)
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1.33ct Natural Medium Yellow Sillimanite, Oval, VS, Photo A

1.33ct Natural Medium Yellow Sillimanite, Oval, VS

Sillimanite

1.33ct1 pc
$ 61.45
8 x 6 mm (calibrated)
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3.15ctw Natural Green Yellow Sillimanite, Oval, VVS-VS, Photo A

3.15ctw Natural Green Yellow Sillimanite, Oval, VVS-VS

Sillimanite

3.15ct total2 pcs
$ 93.85
8.9 x 6.7 mm
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3.35ctw Natural Green Yellow Sillimanite, Oval, VS, Photo A
Sillimanite Product Video (411721)

3.35ctw Natural Green Yellow Sillimanite, Oval, VS

Sillimanite

3.35ct total4 pcs
$ 154.78
7 x 5 mm (calibrated)
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1.38ct Natural Lemon Yellow Sillimanite, Oval, VS-SI, Photo A

1.38ct Natural Lemon Yellow Sillimanite, Oval, VS-SI

Sillimanite

1.38ct1 pc
$ 63.76
8 x 6 mm (calibrated)
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1.72ct Natural Medium Yellow Sillimanite, Oval, VVS-VS, Photo A

1.72ct Natural Medium Yellow Sillimanite, Oval, VVS-VS

Sillimanite

1.72ct1 pc
$ 51.24
9 x 7 mm (calibrated)
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1.13ct Natural Light Yellow Sillimanite, Oval, VVS-VS, Photo A

1.13ct Natural Light Yellow Sillimanite, Oval, VVS-VS

Sillimanite

1.13ct1 pc
$ 52.21
8 x 6 mm (calibrated)
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2.91ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS, Photo A

2.91ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS

Sillimanite

2.91ct total2 pcs
$ 134.45
8 x 6 mm (calibrated)
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3.97ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS, Photo A

3.97ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS

Sillimanite

3.97ct total2 pcs
$ 118.27
9 x 7 mm (calibrated)
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2.15ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS, Photo A

2.15ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS

Sillimanite

2.15ct total4 pcs
$ 99.34
6 x 4 mm (calibrated)
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1.13ct Natural Pineapple Yellow Sillimanite, Oval, VVS-VS, Photo A

1.13ct Natural Pineapple Yellow Sillimanite, Oval, VVS-VS

Sillimanite

1.13ct1 pc
$ 52.21
8 x 6 mm (calibrated)
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4.74ctw Natural Medium Yellow Sillimanite, Oval, VS, Photo A
Sillimanite Product Video (411298)

4.74ctw Natural Medium Yellow Sillimanite, Oval, VS

Sillimanite

4.74ct total2 pcs
$ 128.38
9 x 7 mm (calibrated)
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1.37ct Natural Medium Yellow Sillimanite, Oval, VS, Photo A

1.37ct Natural Medium Yellow Sillimanite, Oval, VS

Sillimanite

1.37ct1 pc
$ 63.30
8 x 6 mm (calibrated)
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4.88ctw Natural Green Yellow Sillimanite, Oval, VS, Photo A
Sillimanite Product Video (411273)

4.88ctw Natural Green Yellow Sillimanite, Oval, VS

Sillimanite

4.88ct total2 pcs
$ 145.38
9 x 7 mm (calibrated)
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1.58ct Natural Green Yellow Sillimanite, Oval, VS, Photo A

1.58ct Natural Green Yellow Sillimanite, Oval, VS

Sillimanite

1.58ct1 pc
$ 66.36
8 x 6 mm (calibrated)
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2.78ctw Natural Pineapple Yellow Sillimanite, Oval, VS, Photo A
Sillimanite Product Video (411813)

2.78ctw Natural Pineapple Yellow Sillimanite, Oval, VS

Sillimanite

2.78ct total3 pcs
$ 128.44
7 x 5 mm (calibrated)
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4.02ctw Natural Medium Yellow Sillimanite, Oval, VVS, Photo A

4.02ctw Natural Medium Yellow Sillimanite, Oval, VVS

Sillimanite

4.02ct total2 pcs
$ 108.88
9.6 x 7.6 mm
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2.35ct Natural Light Yellow Sillimanite, Oval, VS, Photo A

2.35ct Natural Light Yellow Sillimanite, Oval, VS

Sillimanite

2.35ct1 pc
$ 70.01
10 x 8 mm (calibrated)
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1.98ct Natural Greenish Yellow Sillimanite, Oval, VS, Photo A
Sillimanite Product Video (411422)

1.98ct Natural Greenish Yellow Sillimanite, Oval, VS

Sillimanite

1.98ct1 pc
$ 58.99
9 x 7 mm (calibrated)
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4.04ctw Natural Greenish Yellow Sillimanite, Oval, VVS-VS, Photo A
Sillimanite Product Video (411822)

4.04ctw Natural Greenish Yellow Sillimanite, Oval, VVS-VS

Sillimanite

4.04ct total6 pcs
$ 186.65
6 x 4 mm (calibrated)
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3.31ctw Natural Green Yellow Sillimanite, Oval, VVS, Photo A

3.31ctw Natural Green Yellow Sillimanite, Oval, VVS

Sillimanite

3.31ct total2 pcs
$ 89.65
9 x 7 mm (calibrated)
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2.32ct Natural Medium Yellow Sillimanite, Oval, VS, Photo A

2.32ct Natural Medium Yellow Sillimanite, Oval, VS

Sillimanite

2.32ct1 pc
$ 69.12
9 x 7 mm (calibrated)
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1.22ct Natural Pineapple yellow Sillimanite, Oval, VS, Photo A

1.22ct Natural Pineapple yellow Sillimanite, Oval, VS

Sillimanite

1.22ct1 pc
$ 56.36
7 x 5 mm (calibrated)
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2.61ctw Natural Medium Yellow Sillimanite, Oval, VS, Photo A

2.61ctw Natural Medium Yellow Sillimanite, Oval, VS

Sillimanite

2.61ct total2 pcs
$ 120.59
8 x 6 mm (calibrated)
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Add to Cart
3.44ctw Natural Greenish Yellow Sillimanite, Oval, VS, Photo A

3.44ctw Natural Greenish Yellow Sillimanite, Oval, VS

Sillimanite

3.44ct total2 pcs
$ 102.48
9 x 7 mm (calibrated)
View Details
Add to Cart
4.26ctw Natural Green Yellow Sillimanite, Oval, VVS-VS, Photo A
Sillimanite Product Video (411274)

4.26ctw Natural Green Yellow Sillimanite, Oval, VVS-VS

Sillimanite

4.26ct total2 pcs
$ 126.92
9 x 7 mm (calibrated)
View Details
Add to Cart
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FAQs

What is loose sillimanite, and how is it used?

Loose sillimanite refers to individual, unmounted stones that are ideal for custom jewelry designs. These stones include varieties like faceted sillimanite, sillimanite cabochons, and sillimanite rough stones, offering flexibility for jewelers and collectors.

What are the most popular types of sillimanite gemstones?

Popular types include natural sillimanite, rare sillimanite, polished sillimanite, and blue sillimanite. Each type has unique qualities, from the transparent brilliance of faceted sillimanite to the smooth elegance of sillimanite cabochons.

Is sillimanite suitable for jewelry, and what are its advantages?

Yes, sillimanite is an excellent choice for jewelry. Known for its durability due to its sillimanite hardness, it is ideal for creating rings, pendants, and other sillimanite jewelry stones. Gem-quality sillimanite is especially prized for its resilience and beauty.

What colors and styles are available for sillimanite gemstones?

Sillimanite is available in transparent and blue hues, as well as in various forms like faceted sillimanite, cabochons, and rough stones. These options make it versatile for different jewelry styles and collector preferences.

How do I care for sillimanite gemstones?

To care for loose sillimanite or sillimanite jewelry stones, clean them gently with warm soapy water and a soft cloth. Avoid exposure to harsh chemicals or extreme temperatures to maintain the brilliance of natural sillimanite and polished sillimanite.

Why is rare sillimanite highly valued?

Rare sillimanite is prized for its unique properties and limited availability. Its gem-quality transparency, beautiful colors like blue sillimanite, and exceptional durability make it a sought-after gemstone for jewelry and collections.

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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 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 -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 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 -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

What Makes Loose Sillimanite Unique?

Loose sillimanite is a rare and versatile gemstone highly valued for its beauty and durability. Known for its exceptional sillimanite hardness, this gemstone is perfect for jewelry that can withstand daily wear. Whether you're interested in natural sillimanite, blue sillimanite, or faceted sillimanite, each stone showcases unique brilliance and quality.

Popular Varieties of Sillimanite Gemstones

Our collection includes a variety of options, such as sillimanite cabochons, sillimanite rough stones, and transparent sillimanite. Each type offers distinct characteristics, making them ideal for collectors and designers. Explore polished sillimanite and gem-quality sillimanite for exquisite jewelry creations or custom designs.

Why Choose Rare Sillimanite for Jewelry?

Selecting sillimanite for jewelry ensures a timeless and durable piece. This gemstone's natural appeal and variety of cuts, including faceted sillimanite and cabochon styles, make it suitable for rings, pendants, and other fine jewelry. Its rarity and stunning blue sillimanite tones add a unique charm to any collection.

Care Tips for Your Sillimanite Gemstones

To maintain the brilliance of your loose sillimanite, gently clean it with warm, soapy water and a soft cloth. Avoid exposing sillimanite jewelry stones to harsh chemicals or extreme temperatures. Proper care will preserve the beauty and longevity of natural sillimanite and other gem-quality sillimanite in your collection.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 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 -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 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 -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

FAQ's

What is loose sillimanite, and how is it used?

Loose sillimanite refers to individual, unmounted stones that are ideal for custom jewelry designs. These stones include varieties like faceted sillimanite, sillimanite cabochons, and sillimanite rough stones, offering flexibility for jewelers and collectors.

What are the most popular types of sillimanite gemstones?

Popular types include natural sillimanite, rare sillimanite, polished sillimanite, and blue sillimanite. Each type has unique qualities, from the transparent brilliance of faceted sillimanite to the smooth elegance of sillimanite cabochons.

Is sillimanite suitable for jewelry, and what are its advantages?

Yes, sillimanite is an excellent choice for jewelry. Known for its durability due to its sillimanite hardness, it is ideal for creating rings, pendants, and other sillimanite jewelry stones. Gem-quality sillimanite is especially prized for its resilience and beauty.

What colors and styles are available for sillimanite gemstones?

Sillimanite is available in transparent and blue hues, as well as in various forms like faceted sillimanite, cabochons, and rough stones. These options make it versatile for different jewelry styles and collector preferences.

How do I care for sillimanite gemstones?

To care for loose sillimanite or sillimanite jewelry stones, clean them gently with warm soapy water and a soft cloth. Avoid exposure to harsh chemicals or extreme temperatures to maintain the brilliance of natural sillimanite and polished sillimanite.

Why is rare sillimanite highly valued?

Rare sillimanite is prized for its unique properties and limited availability. Its gem-quality transparency, beautiful colors like blue sillimanite, and exceptional durability make it a sought-after gemstone for jewelry and collections.

Enlarged Gemstone Image