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: 737543
Weight: 3.98ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 179.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 706800
Weight: 2.79ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 559176
Weight: 2.11ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 567688
Weight: 1.46ct
Size: 6.3 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 32.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 743020
Weight: 16.79ct
Size: 25 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 704635
Weight: 1.84ct
Size: 10.8 x 8.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 55.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 536884
Weight: 0.69ct (total)
Size: 4.9 x 3.2 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 25.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 744586
Weight: 0.69ct
Size: 6 x 4 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 172.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 543422
Weight: 2.37ct
Size: 9 x 7.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 395215
Weight: 3.27ct
Size: 9.5 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 352941
Weight: 1.07ct
Size: 7.3 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 137.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 730069
Weight: 5.23ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 672463
Weight: 4.74ct (total)
Size: 17.9 x 8.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 743979
Weight: 1.85ct
Size: 8.5 x 5.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 77.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 350389
Weight: 2.42ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 55.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 450087
Weight: 27.24ct (total)
Size: 19.6 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 71.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 482352
Weight: 2.21ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 145.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 539218
Weight: 5.29ct (total)
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 12.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 700970
Weight: 0.33ct
Size: 4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 19.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 521013
Weight: 82.87ct
Size: 29.1 x 25.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 182.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 367880
Weight: 4.53ct
Size: 14.5 x 7.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 478101
Weight: 1.22ct
Size: 9.7 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 161.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 484047
Weight: 51.87ct
Size: 36.7 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 472494
Weight: 27.43ct (total)
Size: 22.6 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 54.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 746026
Weight: 12.19ct
Size: 15.6 x 8.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 389701
Weight: 4.58ct (total)
Size: 8.6 x 8 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 30.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 345663
Weight: 22.94ct
Size: 19.7 x 17.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 39.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 704929
Weight: 0.94ct
Size: 9.9 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 704504
Weight: 40.92ct
Size: 41.2 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 674267
Weight: 12.15ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 218.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 637876
Weight: 1.81ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 745423
Weight: 17.07ct
Size: 20 x 15 mm (calibrated)
Clarity: IF
Content: 1 pc
Price: $ 136.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 701753
Weight: 7.43ct
Size: 16 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 481367
Weight: 17.87ct
Size: 21.8 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 552218
Weight: 0.90ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 8.32
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 742837
Weight: 1.11ct
Size: 6.6 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 46.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 628052
Weight: 17.61ct
Size: 22.8 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 105.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 551885
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 3.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 453884
Weight: 2.77ct
Size: 10.7 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 25.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 496795
Weight: 2.36ct
Size: 9.6 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 62.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 672678
Weight: 1.33ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 566546
Weight: 16.37ct
Size: 22.7 x 17.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 64.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 648884
Weight: 24.74ct
Size: 25.3 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 500968
Weight: 5.78ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 53.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 646740
Weight: 1.72ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 61.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 467906
Weight: 4.44ct (total)
Size: 3.2 mm
Clarity: Transparent
Content: 23 pcs
Price: $ 29.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 688641
Weight: 0.90ct
Size: 7.6 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 8.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 322579
Weight: 23.29ct
Size: 20.3 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 569245
Weight: 0.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 734690
Weight: 41.61ct
Size: 32.7 x 19.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 399.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 724996
Weight: 0.91ct
Size: 9.4 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 387472
Weight: 2.78ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 701917
Weight: 23.44ct
Size: 20.8 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 140.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 720403
Weight: 1.30ct
Size: 6.9 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 125.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 692981
Weight: 28.24ct
Size: 36.9 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 677858
Weight: 0.23ct
Size: 3 x 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 138.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 602693
Weight: 2.67ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 732984
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 471551
Weight: 1.74ct (total)
Size: 5.2 x 4.1 mm
Clarity: VS
Content: 4 pcs
Price: $ 229.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 479191
Weight: 5.89ct (total)
Size: 7.2 x 5.9 mm
Clarity: Transparent
Content: 5 pcs
Price: $ 6.86
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
587
Choose Page
1 - 772

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 -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

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

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate
Enlarged Gemstone Image