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: 712406
Weight: 3.82ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 682444
Weight: 21.52ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 658534
Weight: 11.27ct
Size: 25.3 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 493255
Weight: 5.38ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 712006
Weight: 2.58ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 418230
Weight: 7.37ct
Size: 15.1 x 10.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 486987
Weight: 22.52ct
Size: 24.9 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 597430
Weight: 23.12ct
Size: 26 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 672883
Weight: 1.29ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 455418
Weight: 16.75ct (total)
Size: 20.8 x 10.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 22.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 493649
Weight: 7.14ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 25.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 691880
Weight: 0.72ct
Size: 6.1 x 4.2 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 43.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 538776
Weight: 1.82ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 724951
Weight: 0.45ct
Size: 5.3 x 3.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 18.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 694377
Weight: 22.72ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 190.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 632299
Weight: 6.22ct (total)
Size: 18.1 x 7.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 44.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 632481
Weight: 1.54ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 282974
Weight: 27.53ct (total)
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 41.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 548043
Weight: 1.27ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 419.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 461091
Weight: 7.25ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 67.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 378207
Weight: 27.12ct
Size: 22.1 x 15.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 71.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 677968
Weight: 0.18ct (total)
Size: 2.2 x 2.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 108.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 640412
Weight: 0.26ct
Size: 5 x 3 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 452166
Weight: 0.68ct
Size: 6.4 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 31.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 721765
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 492531
Weight: 5.43ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 662848
Weight: 4.81ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 717195
Weight: 1.63ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 33.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 673926
Weight: 2.54ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 76.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 445833
Weight: 2.55ct
Size: 8.5 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 121.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 724965
Weight: 9.10ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 685925
Weight: 27.94ct
Size: 28.8 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 392466
Weight: 4.47ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 597614
Weight: 2.20ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 14.52
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 699235
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: 457328
Weight: 5.18ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 39.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 564578
Weight: 0.14ct
Size: 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 307.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 698729
Weight: 13.54ct
Size: 19.4 x 14.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 577842
Weight: 2.12ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 111.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 594846
Weight: 13.37ct
Size: 17 x 13.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 111.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 686321
Weight: 0.62ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 675910
Weight: 11.33ct
Size: 15.5 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 643523
Weight: 1.53ct
Size: 8.1 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 36.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 346229
Weight: 2.54ct (total)
Size: 2.4 x 2.4 mm
Clarity: VVS-VS
Content: 30 pcs
Price: $ 284.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 494409
Weight: 1.85ct
Size: 11.8 x 6 mm
Clarity: VS
Price: $ 14.65
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 675847
Weight: 5.71ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 684040
Weight: 1.05ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 44.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 656757
Weight: 0.93ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 595046
Weight: 17.95ct
Size: 18.4 x 17.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 71.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 697469
Weight: 0.68ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 718145
Weight: 0.71ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 532962
Weight: 1.21ct
Size: 7.8 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 688248
Weight: 0.23ct
Size: 4.4 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 733149
Weight: 3.48ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 366375
Weight: 1.22ct
Size: 7.5 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 171.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 676004
Weight: 5.78ct
Size: 12.4 x 11.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 650610
Weight: 5.62ct
Size: 15.9 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 724897
Weight: 7.20ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 711257
Weight: 88.29ct
Size: 34.2 x 25.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 158.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 461712
Weight: 1.43ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 3 pcs
Price: $ 188.76
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
63
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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina 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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate
Enlarged Gemstone Image