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: 588911
Weight: 23.40ct
Size: 23.4 x 13.8 mm
Clarity: VS
Content: 1 pc
Price: $ 185.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 399212
Weight: 19.58ct
Size: 35.5 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 433683
Weight: 4.52ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 29.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 500213
Weight: 2.04ct (total)
Size: 2.1 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 13.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 410325
Weight: 5.33ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 35.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 638425
Weight: 0.28ct
Size: 5.5 x 3.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 493871
Weight: 4.87ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 735789
Weight: 21.41ct
Size: 28.5 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 719066
Weight: 3.25ct
Size: 8.3 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 97.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 709841
Weight: 3.10ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 564206
Weight: 1.08ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 489269
Weight: 7.71ct
Size: 13.9 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 721176
Weight: 0.91ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 475148
Weight: 2.15ct (total)
Size: 6.6 x 4.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 8.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 608834
Weight: 2.08ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 38.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 718175
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 735223
Weight: 2.26ct
Size: 8.6 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 108.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 687119
Weight: 3.75ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 337608
Weight: 7.53ct (total)
Size: 6.1 x 4.2 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 69.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 551162
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 451182
Weight: 1.58ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 704539
Weight: 1.53ct
Size: 10.3 x 7.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 673255
Weight: 5.26ct (total)
Size: 15.7 x 7.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 14.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 712145
Weight: 8.24ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 473337
Weight: 2.93ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 38.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 607777
Weight: 2.18ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 54.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 731004
Weight: 16.47ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 483732
Weight: 63.50ct
Size: 25.3 x 20.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 167.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 571929
Weight: 1.24ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 35.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 705842
Weight: 1.51ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 656142
Weight: 19.87ct
Size: 36.9 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 424595
Weight: 0.76ct
Size: 5.4 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 30.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 371588
Weight: 4.99ct (total)
Size: 7.9 x 5.2 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 32.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 309485
Weight: 0.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 636166
Weight: 2.60ct
Size: 9.4 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 398279
Weight: 2.91ct
Size: 12 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 96.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 681730
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 401049
Weight: 6.76ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 728155
Weight: 2.98ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 516186
Weight: 19.79ct
Size: 16.7 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 727305
Weight: 0.36ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 9.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 730091
Weight: 0.28ct
Size: 6.1 x 3.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 13.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 720888
Weight: 1.36ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 684207
Weight: 0.44ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 718146
Weight: 1.07ct
Size: 6 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 440536
Weight: 2.61ct (total)
Size: 4.7 mm
Clarity: VS
Content: 5 pcs
Price: $ 57.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 696602
Weight: 12.40ct
Size: 17.4 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 479672
Weight: 2.27ct (total)
Size: 9.8 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 23.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 566533
Weight: 0.67ct
Size: 6 x 4 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 16.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 393541
Weight: 4.69ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 547626
Weight: 2.17ct
Size: 6.5 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 382756
Weight: 1.52ct
Size: 14 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 728149
Weight: 2.86ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 736127
Weight: 12.24ct
Size: 24.3 x 15 mm
Clarity: Translucent
Content: 1 pc
Price: $ 302.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 610315
Weight: 25.70ct
Size: 28.3 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 370438
Weight: 15.30ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 634658
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Price: $ 15.12
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 382696
Weight: 11.38ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 479612
Weight: 2.09ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 371584
Weight: 5.40ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 35.64
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
291
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. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
Enlarged Gemstone Image