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: 374181
Weight: 25.28ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 240.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 721860
Weight: 41.55ct
Size: 23.2 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 476080
Weight: 3.38ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 648996
Weight: 1.19ct
Size: 7.1 x 6.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 2.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 730313
Weight: 2.10ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 427581
Weight: 2.52ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 739364
Weight: 0.64ct
Size: 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 688251
Weight: 0.23ct
Size: 5 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 708418
Weight: 3.45ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 104.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 496771
Weight: 2.43ct
Size: 9.4 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 64.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 711536
Weight: 6.90ct
Size: 18 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 451223
Weight: 1.45ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 463309
Weight: 4.93ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 721180
Weight: 1.14ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 707083
Weight: 1.29ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 385075
Weight: 10.40ct
Size: 27.6 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 93.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 328310
Weight: 14.00ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 723013
Weight: 0.47ct
Size: 4.9 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 721919
Weight: 48.77ct
Size: 36.2 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 737086
Weight: 12.38ct
Size: 21.1 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 460784
Weight: 3.23ct
Size: 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 721640
Weight: 11.47ct
Size: 13.4 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 499996
Weight: 2.00ct (total)
Size: 2.1 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 13.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 699274
Weight: 22.34ct
Size: 26.3 x 13.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 729942
Weight: 55.77ct
Size: 38.3 x 27.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 744013
Weight: 193.81ct
Size: 42 x 31.9 mm
Clarity: IF
Content: 1 pc
Price: $ 1,550.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 645861
Weight: 6.15ct
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 478315
Weight: 6.63ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 711838
Weight: 15.16ct
Size: 25.2 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 594672
Weight: 1.97ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 46.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 394933
Weight: 5.35ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 587142
Weight: 50.39ct
Size: 34.2 x 28.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 355851
Weight: 3.83ct (total)
Size: 5.1 x 4.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 25.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 719498
Weight: 0.69ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 711526
Weight: 4.90ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 70.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 550829
Weight: 1.13ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 8.50
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 501982
Weight: 1.74ct
Size: 15.9 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 597735
Weight: 0.45ct
Size: 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 19.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 567232
Weight: 2.36ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 52.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 528805
Weight: 1.55ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 135.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 479472
Weight: 2.21ct (total)
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 617078
Weight: 5.54ct (total)
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 728371
Weight: 31.67ct
Size: 44.7 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 719349
Weight: 5.25ct
Size: 10.6 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 157.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 376829
Weight: 3.79ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent/Translucent
Price: $ 31.84
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 479453
Weight: 2.10ct (total)
Size: 9.8 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 706471
Weight: 14.37ct
Size: 14.8 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 517855
Weight: 1.25ct
Size: 10.7 x 3.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 113.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 409590
Weight: 10.63ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 673453
Weight: 1.02ct (total)
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 24.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 540180
Weight: 1.38ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 37.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 523997
Weight: 12.37ct
Size: 18.9 x 13.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 97.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 459548
Weight: 4.78ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 559025
Weight: 0.54ct
Size: 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 14.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 454465
Weight: 1.18ct
Size: 10.7 x 4.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 367180
Weight: 7.50ct
Size: 15.4 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 525946
Weight: 7.02ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 713988
Weight: 1.11ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 677990
Weight: 8.41ct
Size: 22.5 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 684614
Weight: 22.56ct
Size: 18.9 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.65
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
738
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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 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

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
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

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 Sam in March, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate
Enlarged Gemstone Image