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: 733098
Weight: 0.45ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 475943
Weight: 5.16ct
Size: 11.9 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 318378
Weight: 1.12ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 62.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 519997
Weight: 40.97ct
Size: 21.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 718213
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 707100
Weight: 1.70ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 490986
Weight: 10.04ct (total)
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 29.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 480829
Weight: 2.44ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 22.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 564821
Weight: 4.32ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 523179
Weight: 9.27ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 73.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 591561
Weight: 27.46ct
Size: 27 x 20 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 423048
Weight: 39.55ct (total)
Size: 10.5 mm
Clarity: Opaque
Content: 5 pcs
Price: $ 41.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 471075
Weight: 26.35ct
Size: 31.4 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 692970
Weight: 28.35ct
Size: 35.2 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 724826
Weight: 34.68ct
Size: 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 366225
Weight: 11.38ct
Size: 14 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 897.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 673594
Weight: 4.24ct
Size: 14.2 x 11.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 127.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 619769
Weight: 22.96ct (total)
Size: 22.1 x 16.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 55.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 694558
Weight: 36.40ct
Size: 33 x 23.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 686800
Weight: 1.21ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 730044
Weight: 9.08ct
Size: 16 x 12 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 871.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 450664
Weight: 7.31ct
Size: 13.9 x 10.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 67.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 415246
Weight: 1.09ct
Size: 6.6 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 542541
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 493016
Weight: 5.55ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 473188
Weight: 0.77ct
Size: 8.5 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 721362
Weight: 18.21ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 669084
Weight: 20.62ct
Size: 21.2 x 13.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 445.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 462903
Weight: 1.72ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 82.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 711615
Weight: 31.63ct
Size: 22.8 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 714205
Weight: 1.81ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 144.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 407922
Weight: 6.72ct
Size: 13.5 x 10.6 mm
Clarity: VS
Content: 1 pc
Price: $ 368.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 721921
Weight: 49.04ct
Size: 35.8 x 23.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 480920
Weight: 1.99ct (total)
Size: 5.6 x 3.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 16.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 594084
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 349530
Weight: 1.34ct
Size: 8.5 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 172.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 700223
Weight: 20.70ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 410657
Weight: 10.22ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 67.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 722109
Weight: 0.74ct
Size: 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 454674
Weight: 25.95ct (total)
Size: 21.5 x 13.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 712786
Weight: 9.62ct
Size: 17 x 12 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 312316
Weight: 5.27ct (total)
Size: 10.7 x 7.6 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 31.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 428022
Weight: 7.09ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 56.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 480914
Weight: 1.85ct (total)
Size: 5.5 x 3.6 mm
Clarity: VS
Content: 4 pcs
Price: $ 17.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 490979
Weight: 8.97ct (total)
Size: 8.5 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 26.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 715534
Weight: 1.82ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 484268
Weight: 5.53ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 66.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 684068
Weight: 0.41ct
Size: 4.6 x 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 17.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 634933
Weight: 1.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 744091
Weight: 9.41ct
Size: 16.5 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 282.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 661988
Weight: 2.05ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 446734
Weight: 10.24ct (total)
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 33.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 491626
Weight: 10.69ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 648981
Weight: 1.25ct
Size: 7.1 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 712779
Weight: 8.26ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 521417
Weight: 44.38ct
Size: 34.5 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 223.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 724914
Weight: 0.35ct
Size: 6.5 x 2.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 14.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 480284
Weight: 7.72ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 71.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 713858
Weight: 18.76ct
Size: 20 x 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 157.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 720317
Weight: 1.62ct
Size: 7.6 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 155.93
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
263
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 have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 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 -> 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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate
Enlarged Gemstone Image