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: 464123
Weight: 9.61ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 711198
Weight: 0.47ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 393083
Weight: 7.80ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 51.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 497574
Weight: 2.08ct
Size: 8.4 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 54.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 696496
Weight: 46.78ct
Size: 32.7 x 23.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 737411
Weight: 2.46ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 110.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 687728
Weight: 11.48ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 704400
Weight: 0.66ct
Size: 10.1 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 21.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 685929
Weight: 49.29ct
Size: 46.7 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 710445
Weight: 1.36ct
Size: 7.3 x 5.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 24.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 503794
Weight: 4.20ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 708377
Weight: 1.05ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 723001
Weight: 1.06ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 31.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 680959
Weight: 1.26ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 37.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 708385
Weight: 1.03ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 645859
Weight: 12.24ct
Size: 17.9 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 474827
Weight: 19.14ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 45.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 714217
Weight: 0.77ct
Size: 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 714138
Weight: 0.38ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 11.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 502583
Weight: 2.36ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 683055
Weight: 9.04ct
Size: 12.7 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 689675
Weight: 1.68ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 431312
Weight: 1.71ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 40.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 466124
Weight: 4.61ct (total)
Size: 12 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 48.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 714815
Weight: 0.41ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 12.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 693981
Weight: 2.52ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 83.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 649014
Weight: 0.72ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 692454
Weight: 16.90ct
Size: 16 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 141.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 328627
Weight: 18.41ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 604627
Weight: 0.70ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 675210
Weight: 24.45ct
Size: 32.2 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 600579
Weight: 25.04ct
Size: 25.5 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 678408
Weight: 25.55ct (total)
Size: 28.7 x 14.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 30.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 679201
Weight: 3.37ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 718253
Weight: 0.98ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 29.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 728207
Weight: 0.82ct
Size: 5.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 516683
Weight: 4.61ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 464505
Weight: 4.00ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 451017
Weight: 1.55ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 720102
Weight: 0.77ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 659269
Weight: 16.23ct
Size: 28.1 x 16.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 685390
Weight: 3.68ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 727935
Weight: 0.74ct
Size: 5.4 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 492043
Weight: 3.70ct (total)
Size: 12.1 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 39.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 565975
Weight: 1.30ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 706891
Weight: 2.30ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 402382
Weight: 2.89ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 118.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 484287
Weight: 5.34ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 70.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 479076
Weight: 2.16ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 723290
Weight: 1.73ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 553578
Weight: 1.78ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 699798
Weight: 0.97ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 716151
Weight: 2.92ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 470846
Weight: 7.06ct
Size: 7.6 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 326.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 635041
Weight: 1.38ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 565142
Weight: 0.17ct (total)
Size: 2.8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 372.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 714157
Weight: 0.84ct (total)
Size: 4.2 mm
Clarity: SI
Content: 2 pcs
Price: $ 25.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 728164
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 693028
Weight: 34.97ct
Size: 40.7 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 687825
Weight: 6.42ct
Size: 17.3 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.95
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
735
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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
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

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 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 love the gems!

Posted By MM in April, 2025
Source: Bizrate
Enlarged Gemstone Image