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: 628027
Weight: 15.88ct
Size: 23.1 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 133.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 391410
Weight: 130.91ct
Size: 47 x 43.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 518.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 668712
Weight: 23.18ct
Size: 16 x 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 500.69
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: 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: 365836
Weight: 39.03ct
Size: 33.5 x 33.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 77.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 233282
Weight: 43.05ct
Size: 34.7 x 26.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 528671
Weight: 46.16ct
Size: 24.5 x 20.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 121.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 686804
Weight: 1.25ct (total)
Size: 6.1 x 4.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 22.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 559004
Weight: 2.15ct
Size: 9 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 44.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 470042
Weight: 46.72ct (total)
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 487522
Weight: 23.80ct
Size: 10 x 13.7 mm
Clarity: SI
Content: 1 pc
Price: $ 1,256.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 608483
Weight: 7.14ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 131.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 679955
Weight: 33.44ct
Size: 21.7 x 18.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 267.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 433965
Weight: 47.70ct
Size: 30.6 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 669503
Weight: 38.88ct
Size: 25.1 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 116.64
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: 376694
Weight: 4.59ct
Size: 10 x 8.5 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 43.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 638176
Weight: 0.36ct
Size: 5.2 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 37.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 391510
Weight: 12.03ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 190.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 692951
Weight: 30.88ct
Size: 23.1 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 700225
Weight: 37.40ct
Size: 31.7 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 714548
Weight: 0.58ct
Size: 5.3 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 1,392.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 453087
Weight: 1.57ct
Size: 10.3 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 103.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 686794
Weight: 1.14ct (total)
Size: 6.1 x 4.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 24.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 418394
Weight: 10.80ct
Size: 13 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 51.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 685172
Weight: 27.23ct
Size: 27 x 20 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 599324
Weight: 13.25ct
Size: 16 x 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 43.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 631996
Weight: 16.82ct
Size: 19 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 76.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 672146
Weight: 24.26ct
Size: 33.2 x 17.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 382092
Weight: 1.70ct
Size: 7.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 4,784.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 329090
Weight: 36.10ct
Size: 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 50.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 693497
Weight: 13.66ct
Size: 16.9 x 10.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 452.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 398362
Weight: 9.99ct
Size: 17.1 x 10.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 570.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 485915
Weight: 6.48ct
Size: 14.8 x 11.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 54.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 439657
Weight: 8.21ct
Size: 13.6 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 162.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 521012
Weight: 112.60ct
Size: 35.6 x 25.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 297.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 662091
Weight: 13.61ct
Size: 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 487774
Weight: 80.06ct
Size: 43.8 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 696120
Weight: 34.44ct
Size: 36.2 x 25 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.63
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: 402343
Weight: 13.86ct
Size: 21.7 x 15.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 58.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 344438
Weight: 236.30ct
Size: 38.2 x 36.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 649.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 349478
Weight: 1.39ct
Size: 7.5 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 192.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 678766
Weight: 21.16ct
Size: 25.6 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 692816
Weight: 44.70ct
Size: 36.5 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 521238
Weight: 16.81ct
Size: 23.4 x 14 mm
Clarity: Transparent
Content: 1 pc
Price: $ 133.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 567740
Weight: 6.99ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 513160
Weight: avg. 1.00 ct / each
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 9.06
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 363517
Weight: 34.74ct
Size: 41.4 x 26.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 635842
Weight: 9.88ct
Size: 18.1 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 602853
Weight: 2.18ct (total)
Size: 6 mm (calibrated)
Clarity: SI-I1
Content: 2 pcs
Price: $ 71.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 439316
Weight: 4.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 296.56
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: 521008
Weight: 87.19ct
Size: 32.9 x 27.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 191.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 711718
Weight: 33.60ct
Size: 25 mm
Clarity: Translucent
Content: 1 pc
Price: $ 89.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 401034
Weight: 39.74ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 78.68
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: 276497
Weight: 0.57ct
Size: 6.2 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 188.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 601422
Weight: 5.13ct
Size: 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.92
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
9
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

Was a good experience.

Posted By Tim in July, 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

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 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

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 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

Enjoy every moment

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