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: 608426
Weight: 8.99ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 166.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 472934
Weight: 11.45ct (total)
Size: 19 x 10.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 125.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 239256
Weight: 24.94ct
Size: 34.5 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 655065
Weight: 12.47ct
Size: 22.2 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 438431
Weight: 15.82ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 62.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 407919
Weight: 3.95ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 156.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 414626
Weight: 11.33ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 249.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 348795
Weight: 61.25ct
Size: 39.6 x 25 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 359628
Weight: 27.61ct
Size: 22.3 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 694293
Weight: 26.46ct
Size: 33.4 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 403388
Weight: 10.11ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.31
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: 492171
Weight: 10.06ct
Size: 20.1 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 476978
Weight: 23.78ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 94.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 692955
Weight: 96.70ct
Size: 32.3 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 92.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 411749
Weight: 1.37ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 63.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 475031
Weight: 1.48ct
Size: 7.7 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 521477
Weight: 153.32ct
Size: 36.6 x 29.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 404.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 576000
Weight: 4.38ct
Size: 12.5 x 12.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 131.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 382053
Weight: 1.81ct
Size: 6.4 x 6.1 mm
Clarity: SI
Content: 1 pc
Price: $ 4,630.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 696388
Weight: 31.21ct
Size: 37.2 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 699764
Weight: 19.20ct
Size: 17.8 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 394328
Weight: 7.68ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 555885
Weight: 7.67ct
Size: 14.9 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 58.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 472927
Weight: 15.07ct
Size: 16 x 12.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 20.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 472832
Weight: 4.17ct
Size: 14.3 x 10.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 57.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 555570
Weight: 26.62ct
Size: 22.4 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 403963
Weight: 6.12ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 484127
Weight: 4.97ct
Size: 11.1 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 361853
Weight: 9.91ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 42.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 644766
Weight: 4.35ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 471618
Weight: 9.14ct
Size: 17.1 x 12.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 84.46
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: 693332
Weight: 94.13ct
Size: 41.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 530144
Weight: 1.38ct
Size: 6.8 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 129.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 407297
Weight: 9.00ct
Size: 16.4 x 11.1 mm
Clarity: VS
Content: 1 pc
Price: $ 492.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 597452
Weight: 2.33ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 153.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 571873
Weight: 1.74ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 137.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 394309
Weight: 58.83ct
Size: 41.4 x 25.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 77.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 690743
Weight: 63.42ct
Size: 25.7 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 658569
Weight: 33.90ct
Size: 33.1 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 397512
Weight: 11.40ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 75.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 523599
Weight: 27.42ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 481778
Weight: 0.84ct
Size: 5.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 578186
Weight: 39.55ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 646936
Weight: 1.37ct
Size: 7.9 x 5.5 mm
Clarity: SI
Content: 1 pc
Price: $ 41.10
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: 491766
Weight: 87.88ct (total)
Size: 23.4 x 19.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 103.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 384010
Weight: 20.43ct
Size: 18 x 13 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 735.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 645844
Weight: 41.69ct
Size: 26.2 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 130.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 664120
Weight: 3.38ct
Size: 10 x 8.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 584122
Weight: 9.86ct
Size: 16.9 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 605441
Weight: 33.38ct (total)
Size: 20.6 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 43.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 278683
Weight: 0.60ct
Size: 6 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 198.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 545337
Weight: 3.63ct
Size: 11.6 x 6.4 mm
Clarity: SI
Content: 1 pc
Price: $ 275.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 359625
Weight: 28.75ct
Size: 22.1 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 447674
Weight: 1.59ct
Size: 7.8 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 1,010.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 578039
Weight: 3.45ct
Size: 11.3 x 8.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 1,725.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 411623
Weight: 3.06ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 141.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 494256
Weight: 14.15ct
Size: 23.2 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.03
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
17
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 -> 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

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

Posted By Ibie in February, 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 -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

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