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: 389508
Weight: 3.56ct (total)
Size: 8.1 x 7 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 23.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 736669
Weight: 7.71ct
Size: 19.6 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 341471
Weight: 4.97ct (total)
Size: 3.6 x 3.6 mm
Clarity: VS-SI
Content: 20 pcs
Price: $ 43.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 572429
Weight: 11.99ct (total)
Size: 15.1 x 11 mm
Clarity: VVS
Content: 2 pcs
Price: $ 47.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 623761
Weight: 4.61ct
Size: 15.7 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 662147
Weight: 2.58ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 724991
Weight: 0.51ct
Size: 10.6 x 2.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 21.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 563859
Weight: 2.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 18.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 393517
Weight: 7.99ct
Size: 12.5 x 12.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 52.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 558345
Weight: 0.99ct
Size: 5.8 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 88.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 729883
Weight: 5.15ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 621217
Weight: 11.59ct
Size: 21.1 x 15.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 664033
Weight: 2.44ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 52.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 471473
Weight: 36.40ct
Size: 33.9 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 598637
Weight: 2.19ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 144.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 708002
Weight: 7.78ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 648964
Weight: 1.04ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 632710
Weight: 2.80ct
Size: 18 x 7 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 515879
Weight: 1.21ct
Size: 9.9 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 111.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 491391
Weight: 31.13ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 448535
Weight: 1.38ct
Size: 7.1 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 878.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 619771
Weight: 23.01ct (total)
Size: 22.4 x 16.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 60.74
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: 424995
Weight: 1.86ct
Size: 16.9 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 568299
Weight: 4.11ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 634903
Weight: 1.84ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 715113
Weight: 1.34ct (total)
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 692653
Weight: 12.47ct
Size: 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 104.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 712474
Weight: 0.92ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 2.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 707114
Weight: 2.05ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 448451
Weight: 1.43ct
Size: 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 7.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 720347
Weight: 1.13ct
Size: 5.7 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 108.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 674090
Weight: 1.78ct
Size: 10.3 x 7.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 74.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 523177
Weight: 9.08ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 71.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 243630
Weight: 6.75ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 723488
Weight: 11.62ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 449612
Weight: 5.34ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 35.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 644667
Weight: 1.74ct
Size: 8 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 41.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 624893
Weight: 2.28ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 677913
Weight: avg. 0.10 ct / each
Size: 2.3 x 2.2 mm
Clarity: Opaque
Price: $ 50.86
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 713853
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 721726
Weight: 0.58ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 553721
Weight: 2.16ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 491903
Weight: 46.29ct (total)
Size: 25.5 x 12.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 54.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 585074
Weight: 1.12ct (total)
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 585681
Weight: 14.09ct
Size: 22.9 x 13.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 93.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 456546
Weight: 2.20ct
Size: 9.3 x 9.4 mm
Clarity: VS
Content: 1 pc
Price: $ 20.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 639065
Weight: 1.30ct
Size: 7.3 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 467759
Weight: 5.61ct (total)
Size: 3.1 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 37.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 449498
Weight: 0.77ct
Size: 11.7 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 631646
Weight: 6.44ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 77.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 716415
Weight: 2.93ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Price: $ 28.13
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 708836
Weight: 1.42ct
Size: 7.6 x 5.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 556205
Weight: 1.57ct
Size: 7.5 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 41.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 706889
Weight: 2.17ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 685567
Weight: 2.27ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 21.79
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 493972
Weight: 13.91ct
Size: 12.9 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 512900
Weight: 2.00ct
Size: 8.5 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 43.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 664242
Weight: 2.30ct
Size: 8.1 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 743976
Weight: 0.97ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.74
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
568
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

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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron 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

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

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 -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate
Enlarged Gemstone Image