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: 664608
Weight: 1.38ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 547733
Weight: 8.66ct
Size: 14.7 x 12.1 mm
Clarity: I1
Content: 1 pc
Price: $ 342.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 543876
Weight: 0.97ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 630138
Weight: 3.96ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 7.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 727921
Weight: 3.18ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 534126
Weight: 1.49ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 475804
Weight: 4.24ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 44.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 413696
Weight: 10.78ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 355.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 714846
Weight: 19.23ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 701895
Weight: 5.71ct
Size: 19.5 x 6.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 503748
Weight: 4.12ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 606865
Weight: 25.97ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 40.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 606583
Weight: 1.70ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 349530
Weight: 1.34ct
Size: 8.5 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 172.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 447382
Weight: 14.85ct
Size: 30.8 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 205.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 432960
Weight: 1.37ct
Size: 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 23.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 473946
Weight: 0.64ct
Size: 7.8 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 519044
Weight: 2.10ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 46.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 471021
Weight: 39.37ct
Size: 27.5 x 15.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 155.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 463141
Weight: 1.66ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 729890
Weight: 5.80ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 51.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 627963
Weight: 10.36ct
Size: 19.6 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 62.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 648158
Weight: 22.39ct
Size: 25.8 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 674099
Weight: 10.83ct
Size: 22.8 x 10.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 194.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 445975
Weight: 4.90ct
Size: 13.7 x 10.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 719919
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 742063
Weight: 3.20ct
Size: 12 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 727341
Weight: 0.57ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 23.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 723002
Weight: 1.07ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 32.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 719368
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 719924
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 724745
Weight: 0.73ct
Size: 6.7 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 21.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 365616
Weight: 12.13ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 666446
Weight: avg. 0.07 ct / each
Size: 2.2 x 2.1 mm
Clarity: SI
Price: $ 13.43
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 656670
Weight: 2.17ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 458601
Weight: 1.51ct (total)
Size: 4.8 x 4 mm
Clarity: VS
Content: 4 pcs
Price: $ 199.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 414693
Weight: 7.40ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 699779
Weight: 0.27ct
Size: 3.8 mm
Clarity: SI
Content: 1 pc
Price: $ 16.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 701892
Weight: 6.85ct
Size: 16.6 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 537145
Weight: 2.20ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 465504
Weight: 4.12ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 691537
Weight: 0.61ct
Size: 5.7 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 51.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 692632
Weight: 89.63ct
Size: 28.5 x 27.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 389144
Weight: 0.75ct
Size: 6.3 x 4.9 mm
Clarity: SI
Content: 1 pc
Price: $ 32.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 737278
Weight: 2.25ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 101.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 481916
Weight: 3.12ct (total)
Size: 5.2 x 3 mm
Clarity: VS
Content: 15 pcs
Price: $ 198.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 673220
Weight: 1.57ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 682551
Weight: 10.02ct
Size: 17.5 x 10.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 96.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 712705
Weight: 3.07ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 685664
Weight: 1.35ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 428272
Weight: 37.65ct
Size: 32.5 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 735191
Weight: 2.07ct
Size: 8.5 x 7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 99.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 730119
Weight: 0.62ct
Size: 4.7 x 4.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 37.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 648498
Weight: 2.18ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 18.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 489358
Weight: 3.15ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 62.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 727238
Weight: 0.77ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 478425
Weight: 0.65ct
Size: 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 27.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 700378
Weight: 0.54ct
Size: 4.9 x 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 32.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 447094
Weight: 1.98ct
Size: 8.7 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 93.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 435204
Weight: 45.22ct
Size: 33.4 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.69
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
242
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 love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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 -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

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

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate
Enlarged Gemstone Image