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: 481151
Weight: 16.98ct
Size: 31.2 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 341161
Weight: 1.52ct (total)
Size: 4.8 x 4.7 mm
Clarity: Transparent
Content: 5 pcs
Price: $ 34.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 728154
Weight: 3.34ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 518908
Weight: 4.72ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 367097
Weight: 6.56ct
Size: 15.3 x 8.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 44.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 472001
Weight: 6.33ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1,671.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 626179
Weight: 1.21ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 68.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 496470
Weight: 1.96ct
Size: 8.3 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 40.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 611670
Weight: 2.00ct
Size: 7.7 x 6.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 743000
Weight: 3.20ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 144.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 634661
Weight: 0.87ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Price: $ 15.66
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 603171
Weight: 2.29ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 727483
Weight: 1.14ct (total)
Size: 8 x 5.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 34.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 650654
Weight: 1.23ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 11.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 700980
Weight: 8.80ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 482180
Weight: 2.03ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 433868
Weight: 16.58ct
Size: 26.9 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 218.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 684508
Weight: 14.42ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 587294
Weight: 2.10ct (total)
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 161.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 590904
Weight: 28.40ct
Size: 34.6 x 24.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 685704
Weight: 1.23ct
Size: 7.4 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 22.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 662980
Weight: 4.76ct
Size: 12.4 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 497268
Weight: 2.34ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 27.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 647633
Weight: 12.38ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 16.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 492375
Weight: 6.66ct
Size: 15.1 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 721326
Weight: 0.64ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 478410
Weight: 1.29ct
Size: 12.1 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 726010
Weight: 1.08ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 42.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 411454
Weight: 2.30ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 68.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 696884
Weight: 11.30ct (total)
Size: 15.1 x 9.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 81.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 377527
Weight: 7.19ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 426467
Weight: 8.89ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 41.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 724836
Weight: 0.83ct
Size: 14 x 2.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 387887
Weight: 2.91ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 333533
Weight: 68.24ct (total)
Size: 23.5 x 19.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 1,171.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 515433
Weight: 24.21ct
Size: 30.2 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 664640
Weight: 1.36ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 699734
Weight: 0.89ct
Size: 5.8 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 53.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 478029
Weight: 46.39ct
Size: 42.1 x 22.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 721094
Weight: 1.10ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 9.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 743419
Weight: 12.19ct
Size: 25 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 453577
Weight: 8.96ct
Size: 16.7 x 9.2 mm
Clarity: VS
Content: 1 pc
Price: $ 295.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 479281
Weight: 2.05ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 706718
Weight: 5.34ct (total)
Size: 9.2 x 7.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 12.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 669643
Weight: 12.07ct
Size: 16.9 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 672077
Weight: 1.54ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 744418
Weight: 1.82ct
Size: 7.6 x 7.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 254.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 509134
Weight: 36.79ct
Size: 22.3 x 19.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 309.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 621009
Weight: 23.37ct (total)
Size: 21.9 x 15.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 56.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 486847
Weight: 34.75ct
Size: 34.4 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 621215
Weight: 11.15ct
Size: 22.4 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 449619
Weight: 3.79ct (total)
Size: 8.3 x 6.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 25.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 560581
Weight: 4.75ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 711646
Weight: 2.32ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 427340
Weight: 2.48ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 564407
Weight: 1.99ct (total)
Size: 7.7 x 5.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 30.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 407966
Weight: 6.97ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 727906
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 555598
Weight: 1.28ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 478613
Weight: 0.81ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.26
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
275
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

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 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 -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate
Enlarged Gemstone Image