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: 706856
Weight: 3.56ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 693985
Weight: 2.19ct
Size: 7.6 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 72.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 693972
Weight: 7.94ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 481933
Weight: 4.94ct (total)
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 142.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 693262
Weight: 7.21ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 712392
Weight: 18.08ct
Size: 21.2 x 16.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 151.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 694544
Weight: 12.61ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 105.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 416350
Weight: 0.92ct
Size: 11.1 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 29.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 647513
Weight: 1.31ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 34.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 693850
Weight: 2.01ct
Size: 7.4 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 66.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 686754
Weight: 0.42ct
Size: 4.8 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 486602
Weight: 38.00ct
Size: 45.9 x 30.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 648332
Weight: 1.01ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 407978
Weight: 11.02ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 489140
Weight: 3.09ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 61.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 383615
Weight: 36.82ct
Size: 29.5 x 26.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 739552
Weight: 1.15ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 511315
Weight: 1.92ct
Size: 9 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 348550
Weight: 2.61ct
Size: 21.6 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 86.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 725214
Weight: 0.51ct
Size: 6.3 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 21.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 372686
Weight: 5.05ct (total)
Size: 9.1 x 4.5 mm
Clarity: VS
Content: 5 pcs
Price: $ 40.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 517797
Weight: 2.72ct
Size: 9.3 x 7.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 59.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 453128
Weight: 4.77ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 44.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 487178
Weight: 20.52ct
Size: 24.4 x 19.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 407847
Weight: 2.38ct
Size: 10.9 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 130.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 648461
Weight: 27.16ct
Size: 29 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 706955
Weight: 27.57ct
Size: 37.9 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 446167
Weight: 2.48ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 118.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 406814
Weight: 10.46ct
Size: 14.7 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 387674
Weight: 2.94ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 663360
Weight: 1.51ct
Size: 7.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 688256
Weight: 0.42ct
Size: 5.7 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 27.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 537744
Weight: 1.22ct
Size: 10 x 4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 111.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 544832
Weight: 0.94ct
Size: 5.9 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 38.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 456421
Weight: 2.56ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 684445
Weight: 1.71ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 431589
Weight: 1.49ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 604479
Weight: 1.55ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 381670
Weight: 1.15ct
Size: 16.9 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 494880
Weight: 4.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 393589
Weight: 1.99ct (total)
Size: 3 x 2 mm (calibrated)
Clarity: VS
Content: 25 pcs
Price: $ 144.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 342037
Weight: 4.12ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 529672
Weight: 16.02ct
Size: 19.1 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 564681
Weight: 4.13ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 724827
Weight: 6.46ct
Size: 12.2 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 715592
Weight: 4.58ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 694772
Weight: 3.58ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 107.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 472448
Weight: 20.31ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 187.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 736558
Weight: 13.50ct
Size: 22.2 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 550366
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 459931
Weight: 4.49ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 730211
Weight: 0.85ct
Size: 7.4 x 4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 51.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 662827
Weight: 0.86ct
Size: 5.9 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 708222
Weight: 2.89ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 488368
Weight: 20.08ct
Size: 26.8 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 470984
Weight: 46.55ct (total)
Size: 19.1 x 20.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 94.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 400842
Weight: 5.31ct
Size: 10.4 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 409876
Weight: 5.23ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 34.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 414558
Weight: 8.63ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 56.96
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
1 2 3
...
401
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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
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

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
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

went well

Posted By Doug in May, 2025
Source: Bizrate
Enlarged Gemstone Image