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: 523719
Weight: 10.79ct
Size: 23.3 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 371914
Weight: 18.40ct
Size: 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 109.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 448932
Weight: 10.54ct
Size: 17 x 13.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 718993
Weight: 0.61ct
Size: 5.3 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 10.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 322362
Weight: 4.99ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 32.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 698540
Weight: 0.95ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 737098
Weight: 34.99ct
Size: 30.6 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 680924
Weight: 1.10ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 33.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 720397
Weight: 1.00ct
Size: 6.6 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 144.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 587313
Weight: 1.59ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 146.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 492605
Weight: 4.45ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 712878
Weight: 0.94ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 727847
Weight: 0.85ct
Size: 6.2 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 497207
Weight: 32.36ct
Size: 30.3 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 541840
Weight: 1.67ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 715334
Weight: 0.87ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 125.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 712930
Weight: 4.00ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 471471
Weight: 40.51ct
Size: 35.2 x 23.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 530597
Weight: 3.44ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 539703
Weight: 2.19ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 435777
Weight: 7.37ct
Size: 15.1 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 364096
Weight: 13.71ct
Size: 22.1 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 625133
Weight: 2.66ct
Size: 13.6 x 10.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 8.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 707109
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 731030
Weight: 12.88ct (total)
Size: 19.8 x 12.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 685628
Weight: 0.08ct (total)
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 571938
Weight: 1.06ct (total)
Size: 7.9 x 4 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 11.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 499599
Weight: 1.82ct
Size: 12.1 x 6 mm
Clarity: VS
Price: $ 16.81
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 458232
Weight: 1.48ct (total)
Size: 4.6 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 195.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 737063
Weight: 30.63ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 367100
Weight: 6.91ct
Size: 15.5 x 8.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 658738
Weight: 19.70ct
Size: 17.9 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 726814
Weight: 1.00ct
Size: 8.4 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 694550
Weight: 5.86ct
Size: 15.1 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 480695
Weight: 1.81ct (total)
Size: 5.5 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 16.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 559413
Weight: 2.14ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 43.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 410178
Weight: 2.49ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 474875
Weight: 4.17ct
Size: 19.3 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 428333
Weight: 3.58ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 725736
Weight: 0.44ct
Size: 5.2 x 5.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 4.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 725185
Weight: 0.61ct
Size: 11 x 2.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 25.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 677855
Weight: 0.18ct
Size: 2.8 x 2.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 690270
Weight: 16.63ct
Size: 18.4 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 647744
Weight: 1.05ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 538964
Weight: 5.45ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 558897
Weight: 1.24ct
Size: 7.5 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 497556
Weight: 1.96ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.74
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: 674845
Weight: 2.92ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 430873
Weight: 5.26ct
Size: 13.5 x 7.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 377593
Weight: 27.03ct (total)
Size: 18.2 x 12 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 107.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 647347
Weight: 1.25ct
Size: 10.2 x 6.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 721560
Weight: 12.94ct
Size: 20.7 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 664214
Weight: 1.25ct
Size: 7.6 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 13.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 608304
Weight: 1.15ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 499829
Weight: 3.94ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 33.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 392659
Weight: 15.79ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 104.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 730210
Weight: 1.71ct
Size: 6.5 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 85.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 466143
Weight: 3.55ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 37.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 524802
Weight: 28.73ct
Size: 24.9 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 113.42
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
152
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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
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 -> 9 star ratings

Will know more once order received

Posted By Jim in September, 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

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

Great selection of gems at a reasonable price

Posted By Curt in July, 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 -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate
Enlarged Gemstone Image