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: 691695
Weight: 1.50ct
Size: 6.5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 75.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 623881
Weight: 57.73ct
Size: 39.3 x 27.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 408814
Weight: 8.97ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 348781
Weight: 73.69ct
Size: 43 x 25.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 528821
Weight: 43.39ct
Size: 30 x 20.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 95.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 510935
Weight: 31.95ct (total)
Size: 22.3 x 11.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 68.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 450371
Weight: 11.87ct
Size: 17.4 x 10 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,561.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 344767
Weight: 1.77ct
Size: 10.5 x 6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 191.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 573422
Weight: 1.90ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 75.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 521201
Weight: 42.52ct
Size: 27.7 x 25.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 178.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 553148
Weight: 2.48ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 56.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 584666
Weight: 6.82ct
Size: 12.7 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 64.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 673889
Weight: 14.16ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 203.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 647538
Weight: 24.23ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 407302
Weight: 13.71ct
Size: 14.9 x 14 mm
Clarity: VS
Content: 1 pc
Price: $ 682.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 692629
Weight: 83.49ct
Size: 27.9 x 27.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 638826
Weight: 2.97ct
Size: 10.5 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 390557
Weight: 1.69ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 108.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 254862
Weight: 4.07ct
Size: 9.9 x 4.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 693851
Weight: 1.48ct
Size: 6.3 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 88.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 554213
Weight: 1.01ct
Size: 8 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 22.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 689156
Weight: 4.37ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 20.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 485809
Weight: 12.38ct
Size: 16.5 x 13.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 103.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 720241
Weight: 1.69ct
Size: 7.3 x 7.1 mm
Clarity: SI
Content: 1 pc
Price: $ 101.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 688866
Weight: 4.56ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 20.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 447394
Weight: 38.36ct
Size: 50.6 x 17.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 715680
Weight: 0.90ct
Size: 8.7 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 47.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 359686
Weight: 31.34ct
Size: 20.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 656739
Weight: avg. 6.19 ct / each
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 7.31
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 407296
Weight: 8.20ct
Size: 15.2 x 11.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 448.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 655915
Weight: 21.19ct
Size: 33.4 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 108.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 540981
Weight: avg. 0.87 ct / each
Size: 7 mm (calibrated)
Clarity: Transparent
Price: $ 21.71
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 391712
Weight: 43.68ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 394015
Weight: 58.74ct
Size: 31.5 x 25 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 322577
Weight: 22.83ct
Size: 20.3 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 449386
Weight: 2.60ct
Size: 21.1 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 85.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 513370
Weight: 0.81ct
Size: 6.6 x 4.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 58.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 601393
Weight: 25.47ct (total)
Size: 32.9 x 14.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 135.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 568868
Weight: 14.98ct
Size: 17.5 x 14.6 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 810.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 502630
Weight: 19.57ct
Size: 27.7 x 9.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 516.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 471437
Weight: 143.91ct
Size: 43.7 x 25.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 159.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 349311
Weight: 1.43ct
Size: 7.5 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 184.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 548151
Weight: 0.89ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 244.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 710785
Weight: 32.22ct
Size: 22.3 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 664613
Weight: 4.46ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 80.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 533170
Weight: avg. 1.11 ct / each
Size: 7 mm (calibrated)
Clarity: Translucent
Price: $ 8.72
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 694301
Weight: 21.94ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 54.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 667939
Weight: 36.33ct
Size: 32.2 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 130.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 478398
Weight: 1.84ct
Size: 13.8 x 6.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 77.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 604646
Weight: 19.12ct
Size: 24 x 14.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 672708
Weight: 25.39ct
Size: 25.7 x 20.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 390667
Weight: 1.93ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 8 pcs
Price: $ 124.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 644279
Weight: 0.87ct
Size: 6.5 x 5.4 mm
Clarity: VVS
Price: $ 7.31
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 599838
Weight: 6.45ct
Size: 14.2 x 10.2 mm
Clarity: Transparent
Price: $ 28.87
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 671487
Weight: 45.87ct
Size: 31.9 x 22 mm
Clarity: Translucent
Content: 1 pc
Price: $ 118.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 645337
Weight: 2.31ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 564605
Weight: 0.36ct
Size: 4.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 659.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 518611
Weight: 3.10ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 623668
Weight: 7.50ct
Size: 13.8 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 127.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 471800
Weight: 2.61ct (total)
Size: 7.5 x 5.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 10.33
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
14
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

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray 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 -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate
Enlarged Gemstone Image