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: 676051
Weight: 6.90ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 711087
Weight: 16.02ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 383810
Weight: 1.38ct
Size: 16.8 x 3.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 393738
Weight: 2.81ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 51.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 698715
Weight: 2.03ct
Size: 7.3 x 6.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 736385
Weight: 1.26ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 44.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 636635
Weight: 3.63ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 104.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 735028
Weight: 0.11ct
Size: 2.9 x 2.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 92.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 721184
Weight: 1.21ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 693486
Weight: 13.16ct
Size: 14 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 363.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 473807
Weight: 0.58ct
Size: 8.3 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 482260
Weight: 1.96ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 416431
Weight: 2.86ct
Size: 24.9 x 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 85.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 590854
Weight: 24.02ct
Size: 23.2 x 18.9 mm
Clarity: VS
Content: 1 pc
Price: $ 158.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 691801
Weight: 0.49ct
Size: 4.9 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 41.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 746949
Weight: 20.54ct
Size: 21.1 x 17.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 1,232.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 492779
Weight: 5.09ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 727867
Weight: 3.82ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 9.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 453629
Weight: 2.92ct
Size: 13.6 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 688889
Weight: 0.22ct
Size: 5 x 3 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 622820
Weight: 4.62ct
Size: 13.7 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 689117
Weight: 2.00ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 715080
Weight: 3.53ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 674473
Weight: 0.56ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 635334
Weight: 11.03ct
Size: 22.7 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 92.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 704859
Weight: 1.10ct
Size: 11.1 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 33.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 746644
Weight: 1.50ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 365317
Weight: 2.93ct (total)
Size: 6.6 x 5.6 mm
Clarity: VS
Content: 3 pcs
Price: $ 107.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 443323
Weight: 3.68ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 553144
Weight: 2.41ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 54.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 687570
Weight: 8.52ct
Size: 14.2 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 430466
Weight: 2.60ct (total)
Size: 6.1 x 4.2 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 17.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 661986
Weight: 1.84ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 554621
Weight: 1.03ct
Size: 8.1 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 27.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 698910
Weight: 0.91ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 664592
Weight: 1.24ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 657914
Weight: 0.97ct
Size: 6.6 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 710142
Weight: 0.48ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 537799
Weight: 1.45ct
Size: 10.2 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 132.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 670805
Weight: 0.28ct
Size: 3.5 x 3.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 722993
Weight: 1.16ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 477307
Weight: 1.46ct (total)
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 3 pcs
Price: $ 41.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 353853
Weight: 4.33ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 45.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 326262
Weight: 24.85ct
Size: 21.6 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 704467
Weight: 25.52ct
Size: 35.6 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 736500
Weight: 19.52ct
Size: 33.4 x 20.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 548661
Weight: 1.24ct
Size: 6.6 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 89.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 462069
Weight: 7.36ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 87.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 395665
Weight: 0.97ct
Size: 9.2 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 61.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 692658
Weight: 13.06ct
Size: 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 109.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 500841
Weight: 8.27ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 64.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 407510
Weight: 4.99ct
Size: 11.8 x 10.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 197.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 659977
Weight: 3.15ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 744765
Weight: 7.08ct
Size: 18.6 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 494876
Weight: 4.02ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 434076
Weight: 15.43ct
Size: 24.4 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 244.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 526455
Weight: avg. 7.71 ct / each
Size: 10 mm (calibrated)
Clarity: Opaque
Price: $ 9.33
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 389345
Weight: 0.90ct
Size: 6.6 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 475668
Weight: 6.51ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 499978
Weight: 1.45ct
Size: 12 x 6 mm
Clarity: VS
Price: $ 13.40
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
1 2 3
...
512
Choose Page
1 - 773

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

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
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

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

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

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