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: 685159
Weight: 2.32ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 712581
Weight: 3.35ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 647340
Weight: 0.43ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 688142
Weight: 3.42ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 461783
Weight: 1.47ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 62.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 431495
Weight: 1.67ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 39.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 455343
Weight: 34.07ct (total)
Size: 20.3 x 12.1 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 57.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 557202
Weight: 3.58ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 29.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 670807
Weight: 0.41ct
Size: 4.7 x 3.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 665027
Weight: 1.91ct
Size: 9.2 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 397183
Weight: 1.24ct
Size: 8.5 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 78.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 734979
Weight: 12.24ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 61.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 410267
Weight: 6.97ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 451215
Weight: 1.48ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 656110
Weight: 1.45ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 372498
Weight: 2.65ct
Size: 8.3 x 7.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 17.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 587751
Weight: 1.73ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 45.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 720342
Weight: 1.04ct
Size: 6.5 x 4.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 100.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 721162
Weight: 0.54ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 713418
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 745987
Weight: 2.50ct
Size: 8.7 x 7.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 80.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 744954
Weight: 1.47ct
Size: 7.6 x 7.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 66.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 483534
Weight: 1.71ct
Size: 6.7 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 133.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 392686
Weight: 13.75ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 90.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 389154
Weight: 1.58ct
Size: 7.9 x 6.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 104.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 540046
Weight: 1.50ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 688845
Weight: 1.35ct (total)
Size: 7.1 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 656177
Weight: 3.48ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 727948
Weight: 0.87ct
Size: 6.5 x 4.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 664768
Weight: 0.74ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 447091
Weight: 2.13ct
Size: 8 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 100.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 744795
Weight: 17.98ct
Size: 25 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 89.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 696836
Weight: 0.33ct
Size: 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 7.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 381904
Weight: 3.54ct (total)
Size: 3 mm (calibrated)
Clarity: VS
Content: 30 pcs
Price: $ 187.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 683501
Weight: 4.32ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 450777
Weight: 5.98ct
Size: 14.2 x 10.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 55.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 725676
Weight: 0.45ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 461638
Weight: 1.42ct
Size: 11.1 x 8.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 66.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 727453
Weight: 0.69ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 700545
Weight: 0.96ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 647350
Weight: 1.22ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 624995
Weight: 2.47ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 662650
Weight: 1.21ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 10.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 706407
Weight: 7.68ct
Size: 12.6 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 539708
Weight: 2.19ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 42.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 524913
Weight: 1.37ct
Size: 7.1 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 253.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 697476
Weight: 0.62ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Price: $ 3.72
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 716064
Weight: 14.50ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 139.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 683049
Weight: 0.13ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 74.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 413839
Weight: 3.09ct
Size: 10.5 x 8.1 mm
Clarity: SI
Content: 1 pc
Price: $ 407.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 707083
Weight: 1.29ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 722759
Weight: 36.83ct
Size: 26.8 x 23.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 309.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 527918
Weight: 2.69ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 724848
Weight: 40.86ct
Size: 28.5 x 20.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 147.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 636554
Weight: 0.78ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 660022
Weight: 1.74ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 651947
Weight: 12.20ct
Size: 13.6 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 686605
Weight: 9.88ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 455379
Weight: 1.90ct
Size: 9.8 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 17.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 724652
Weight: 1.14ct
Size: 10 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 34.20
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
759
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

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

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 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

I love the product and the details about each of them.

Posted By Love It! in July, 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

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate
Enlarged Gemstone Image