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: 707953
Weight: 11.82ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 582546
Weight: 1.81ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 71.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 730974
Weight: 1.60ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 545701
Weight: 2.17ct
Size: 7.4 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 197.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 519993
Weight: 40.70ct
Size: 21.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 714382
Weight: 0.66ct (total)
Size: 4.2 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 19.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 710818
Weight: 1.14ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 686206
Weight: 12.14ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 662766
Weight: 3.51ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 508721
Weight: avg. 4.85 ct / each
Size: 12 mm (calibrated)
Clarity: Opaque
Price: $ 5.65
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687109
Weight: 4.81ct
Size: 19.4 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 488118
Weight: 48.47ct
Size: 46.8 x 30.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 718228
Weight: 1.65ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 49.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 471970
Weight: 3.78ct
Size: 11.4 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 997.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 679203
Weight: 2.60ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 493502
Weight: 4.18ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 5 pcs
Price: $ 38.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 446021
Weight: 6.22ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 707087
Weight: 1.87ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 691554
Weight: 0.70ct
Size: 11.4 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 37.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 429724
Weight: 3.27ct (total)
Size: 7.3 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 53.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 390803
Weight: 1.76ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 113.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 673542
Weight: 1.89ct
Size: 10 x 7.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 568983
Weight: 0.84ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 700178
Weight: 0.30ct
Size: 3.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 18.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 606921
Weight: 2.42ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 709093
Weight: 0.66ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 712479
Weight: 19.06ct (total)
Size: 22 x 16.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 50.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 619362
Weight: 5.22ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 484397
Weight: 4.15ct (total)
Size: 7.8 x 5.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 54.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 724878
Weight: 1.27ct
Size: 11.9 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 53.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 563493
Weight: 2.93ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 678012
Weight: 0.25ct
Size: 3 x 2.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 150.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 730209
Weight: 0.98ct
Size: 5.4 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 58.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 514160
Weight: 11.77ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 481338
Weight: 33.44ct
Size: 33.1 x 23 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 482143
Weight: 25.26ct (total)
Size: 23.1 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 658623
Weight: 20.87ct
Size: 22 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 388955
Weight: 7.27ct
Size: 20.9 x 8.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 1,744.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 699286
Weight: 0.85ct
Size: 5.8 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 724301
Weight: 3.45ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 33.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 742996
Weight: 2.14ct
Size: 12 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 96.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 413133
Weight: 3.18ct (total)
Size: 9 x 4.5 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 83.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 530479
Weight: 9.08ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 472755
Weight: 7.10ct
Size: 18.2 x 11.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 98.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 673290
Weight: 0.81ct
Size: 6.4 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 2.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 662821
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 719440
Weight: 0.70ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 533401
Weight: 1.86ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 14.81
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 530271
Weight: 7.21ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 718098
Weight: 0.63ct
Size: 5.9 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 406635
Weight: 23.98ct
Size: 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 63.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 392759
Weight: 11.63ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 76.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 688015
Weight: 5.86ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 688621
Weight: 3.19ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 448743
Weight: 17.91ct
Size: 19.3 x 17.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 59.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 708257
Weight: 1.81ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 37.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 553492
Weight: 1.92ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 11.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 411276
Weight: 3.31ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 89.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 605071
Weight: 4.55ct
Size: 14.9 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 60.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 739370
Weight: 1.16ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.44
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
592
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

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case 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

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

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