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: 461279
Weight: 4.83ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 352674
Weight: 4.57ct
Size: 16.7 x 8.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 551264
Weight: 1.15ct
Size: 7.4 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 726940
Weight: 0.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 658292
Weight: 6.58ct
Size: 17.6 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 383611
Weight: 27.60ct
Size: 28.5 x 22.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 494850
Weight: 21.69ct
Size: 28.9 x 15.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 484395
Weight: 4.77ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 62.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 697856
Weight: 6.38ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 53.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 466023
Weight: 3.39ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 469484
Weight: 14.60ct
Size: 18.4 x 11.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 594673
Weight: 1.68ct
Size: 7.8 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 431646
Weight: 1.53ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 713719
Weight: 1.05ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 712040
Weight: 7.68ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 20.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 566531
Weight: 0.75ct
Size: 6.4 x 4.2 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 18.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 488335
Weight: 39.13ct
Size: 36.1 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 710440
Weight: 2.28ct
Size: 8.6 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 40.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 745197
Weight: 20.01ct
Size: 18.5 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 433633
Weight: 4.02ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 26.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 737867
Weight: 0.74ct
Size: 7.6 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 37.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 655400
Weight: 0.34ct
Size: 6.6 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 733759
Weight: 3.19ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 718601
Weight: 7.00ct
Size: 18.5 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 554003
Weight: 3.26ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 19.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 587785
Weight: 12.85ct (total)
Size: 15.1 x 11 mm
Clarity: VS
Content: 2 pcs
Price: $ 50.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 686061
Weight: 0.20ct
Size: 4.5 x 2.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 13.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 433951
Weight: 2.47ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 687565
Weight: 5.95ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 715341
Weight: 1.48ct
Size: 9.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 213.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 707088
Weight: 2.66ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 647643
Weight: 12.57ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 16.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 720618
Weight: 2.03ct (total)
Size: 6.3 x 4.9 mm
Clarity: VS
Content: 2 pcs
Price: $ 195.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 685146
Weight: 0.48ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Price: $ 20.16
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 644090
Weight: 3.10ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 594621
Weight: 1.65ct
Size: 8.1 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 39.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 531522
Weight: 1.42ct
Size: 7 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 140.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 392143
Weight: 4.63ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 122.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 595268
Weight: 11.12ct
Size: 19.5 x 12.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 40.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 697607
Weight: 0.58ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 463380
Weight: 4.01ct (total)
Size: 12 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 53.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 493122
Weight: 5.94ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 42.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 514099
Weight: 3.06ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 491885
Weight: 38.35ct (total)
Size: 28.1 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 45.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 698910
Weight: 0.91ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 733745
Weight: 3.56ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 712261
Weight: 19.44ct
Size: 24.8 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 346485
Weight: 1.73ct (total)
Size: 2 x 2 mm (calibrated)
Clarity: VVS-VS
Content: 30 pcs
Price: $ 176.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 712360
Weight: 5.02ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 724813
Weight: 0.55ct
Size: 5.8 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 600535
Weight: 2.74ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 699050
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 684205
Weight: 0.48ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 463804
Weight: 4.17ct
Size: 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 449339
Weight: 0.75ct
Size: 12.9 x 2.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 648826
Weight: 5.33ct
Size: 15.5 x 10.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 44.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 719301
Weight: 0.67ct
Size: 5.1 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 12.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 454361
Weight: 1.00ct
Size: 11.3 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 489234
Weight: 5.12ct
Size: 14.1 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 714377
Weight: 0.69ct (total)
Size: 4.2 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 20.70
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
231
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

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate
Enlarged Gemstone Image