X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones

Untreated Gemstones Weight
Untreated Gemstones Size
Untreated Gemstones Clarity
Untreated Gemstones Price
Untreated Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Untreated Gemstones
Black Untreated Gemstones
Blue Untreated Gemstones
Brown Untreated Gemstones
Golden Untreated Gemstones
Gray Untreated Gemstones
Green Untreated Gemstones
Multicolor Untreated Gemstones
Orange Untreated Gemstones
Pink Untreated Gemstones
Purple Untreated Gemstones
Red Untreated Gemstones
Turquoise Untreated Gemstones
Violet Untreated Gemstones
White Untreated Gemstones
Yellow Untreated Gemstones
Single
Pairs
Lots
Faceted
Cabochons
Clear All
ID: 727952
Weight: 0.91ct
Size: 6.1 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 415987
Weight: 1.51ct
Size: 13.1 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 727453
Weight: 0.69ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 449505
Weight: 2.44ct
Size: 18.5 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 96.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 733130
Weight: 2.87ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 316153
Weight: 3.03ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS
Content: 5 pcs
Price: $ 22.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 674967
Weight: 0.87ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 6.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 659583
Weight: 12.48ct
Size: 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 366564
Weight: 1.12ct
Size: 7.2 x 5.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 157.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 685656
Weight: 0.53ct (total)
Size: 2.9 x 2.6 mm
Clarity: VVS
Content: 7 pcs
Price: $ 2,601.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 730094
Weight: 0.29ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 13.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 395821
Weight: 2.53ct
Size: 8 x 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 66.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 472642
Weight: 10.85ct
Size: 19.4 x 18.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 143.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 328625
Weight: 20.08ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 476906
Weight: 17.43ct
Size: 12.6 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 691781
Weight: 26.72ct
Size: 19.5 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 439470
Weight: 5.81ct
Size: 14.4 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 376557
Weight: 8.16ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 53.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 600443
Weight: 29.14ct
Size: 28.8 x 20.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 545076
Weight: 0.72ct
Size: 5.6 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 32.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 439416
Weight: 3.60ct (total)
Size: 5 x 3.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 46.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 724772
Weight: 0.34ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 57.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 450953
Weight: 2.75ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 25.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 706973
Weight: 2.06ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 534765
Weight: 3.48ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 714420
Weight: 0.37ct
Size: 5 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 691638
Weight: 0.67ct
Size: 5.7 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 46.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 725704
Weight: 1.15ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 650499
Weight: 10.35ct
Size: 18.4 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 647505
Weight: 1.08ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 485997
Weight: 3.14ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 349499
Weight: 1.32ct
Size: 7.4 x 6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 169.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 655964
Weight: 13.18ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 650489
Weight: 9.88ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 435638
Weight: 12.87ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 417592
Weight: 2.29ct (total)
Size: 4.5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 93.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 475345
Weight: 6.15ct
Size: 19.6 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 434182
Weight: 2.36ct
Size: 8.4 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 650890
Weight: 16.57ct
Size: 22.9 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 451275
Weight: 1.47ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 548045
Weight: 1.23ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 369.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 647267
Weight: 1.56ct
Size: 7.9 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 35.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 345952
Weight: 15.27ct
Size: 16.8 x 13.7 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 26.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 397380
Weight: 7.58ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 544750
Weight: 2.23ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 544309
Weight: 0.72ct
Size: 6.3 x 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 19.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 612308
Weight: 1.06ct
Size: 6.7 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 682793
Weight: 12.65ct
Size: 15.7 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 417771
Weight: 8.66ct
Size: 13 x 11 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 706783
Weight: 2.17ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 694296
Weight: 16.98ct
Size: 22 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 598312
Weight: 1.52ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 30.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 543845
Weight: 1.99ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 715685
Weight: 1.08ct
Size: 9 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 68.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 607748
Weight: 2.10ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 38.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 435676
Weight: 6.72ct
Size: 15 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 22.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 448148
Weight: 3.79ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 20.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 433034
Weight: 1.90ct
Size: 7.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 32.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 566209
Weight: 6.24ct
Size: 16.7 x 11.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 20.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 728061
Weight: 1.09ct
Size: 6.5 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.54
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
253
Choose Page
1 - 774

FAQs

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

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

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate
Enlarged Gemstone Image