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: 658559
Weight: 22.77ct
Size: 18 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 497071
Weight: 2.10ct
Size: 8.6 x 7.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 715666
Weight: 1.83ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 447319
Weight: 4.84ct
Size: 12.6 x 9.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 159.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 665025
Weight: 1.19ct
Size: 8.2 x 6.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 8.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 542524
Weight: 2.06ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Price: $ 19.03
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 734792
Weight: 3.83ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 160.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 546186
Weight: 0.73ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 706744
Weight: 44.08ct
Size: 38.8 x 26.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 696049
Weight: 0.24ct
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 635344
Weight: 15.09ct
Size: 18.5 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 427855
Weight: 2.33ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 385556
Weight: 5.76ct (total)
Size: 15.1 x 7.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 51.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 411280
Weight: 4.02ct (total)
Size: 9.6 x 7.6 mm
Clarity: VVS
Content: 2 pcs
Price: $ 108.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 706801
Weight: 2.66ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 720260
Weight: 1.44ct
Size: 6.9 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 138.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 747213
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 404.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 416149
Weight: 1.31ct
Size: 16.8 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 448140
Weight: 3.15ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 693239
Weight: 19.78ct
Size: 18.2 x 14.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 166.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 721020
Weight: 30.81ct
Size: 29 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 367832
Weight: 4.95ct
Size: 14 x 8.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 370321
Weight: 15.78ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 50.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 486444
Weight: 19.17ct
Size: 31.4 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 744235
Weight: 5.86ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 479621
Weight: 2.05ct (total)
Size: 10.2 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 501514
Weight: 13.62ct
Size: 24.1 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 57.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 699816
Weight: 12.75ct
Size: 20.9 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 519564
Weight: 1.40ct
Size: 7.6 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 27.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 737070
Weight: 27.85ct (total)
Size: 18 x 18 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 382848
Weight: 1.64ct
Size: 7.9 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 81.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 410355
Weight: 5.76ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 38.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 570253
Weight: 0.76ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 579542
Weight: 2.20ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 480376
Weight: 3.43ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 682516
Weight: 0.59ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 746654
Weight: 23.81ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 190.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 563795
Weight: 0.85ct
Size: 6.7 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 17.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 650593
Weight: 7.77ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 49.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 450788
Weight: 5.41ct
Size: 19 x 8.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 730020
Weight: 0.60ct
Size: 5.5 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 698507
Weight: 1.50ct
Size: 6.9 x 5.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 433874
Weight: 20.33ct
Size: 30.1 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 300.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 715795
Weight: 0.77ct
Size: 6.5 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 48.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 673448
Weight: 1.63ct (total)
Size: 5.2 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 39.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 606559
Weight: 63.83ct
Size: 35 x 25.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 662133
Weight: 5.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 685678
Weight: 0.92ct
Size: 6.7 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 16.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 528796
Weight: 1.36ct
Size: 8.3 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 118.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 639451
Weight: 1.93ct
Size: 7.7 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 637196
Weight: 0.97ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 51.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 712457
Weight: 10.36ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 27.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 400787
Weight: 2.79ct
Size: 8.7 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 597467
Weight: 1.42ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 496420
Weight: 2.71ct
Size: 9.5 x 8 mm
Clarity: VS
Content: 1 pc
Price: $ 56.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 484031
Weight: 93.98ct
Size: 39.2 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 186.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 710485
Weight: 4.16ct
Size: 9.2 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 132.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 447680
Weight: 1.10ct
Size: 6 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 635.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 590852
Weight: 23.28ct
Size: 19 x 16.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 153.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 393865
Weight: 0.92ct
Size: 5.6 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.79
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
125
Choose Page
1 - 772

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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate
Enlarged Gemstone Image