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: 648673
Weight: 1.65ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 403666
Weight: 18.19ct
Size: 20.3 x 17.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 127.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 449810
Weight: 2.65ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 715101
Weight: 3.55ct (total)
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 686071
Weight: 0.19ct (total)
Size: 2.6 x 2.5 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 448937
Weight: 12.23ct
Size: 19.3 x 13.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 608851
Weight: 62.18ct (total)
Size: 25.4 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 97.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 717970
Weight: 0.09ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 86.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 566206
Weight: 1.02ct
Size: 5.9 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 23.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 494199
Weight: 4.83ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 713722
Weight: 0.90ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 712058
Weight: 8.52ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 22.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 585597
Weight: 56.12ct
Size: 38.2 x 27.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 418794
Weight: 4.88ct
Size: 15.6 x 10.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 472226
Weight: 32.51ct
Size: 27.5 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 715797
Weight: 1.20ct
Size: 6.5 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 76.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 366893
Weight: 1.55ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 79.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 684529
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 435437
Weight: 4.23ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 25.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 694203
Weight: 16.10ct
Size: 22.2 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 592320
Weight: 0.70ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Price: $ 19.25
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 367372
Weight: 1.11ct
Size: 7.5 x 5.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 154.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 718584
Weight: 4.34ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Price: $ 19.54
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 745982
Weight: 2.69ct
Size: 9.2 x 7.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 86.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 315107
Weight: 2.89ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 64.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 427976
Weight: 15.09ct
Size: 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 69.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 621024
Weight: 3.83ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 597471
Weight: 1.44ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 694719
Weight: 3.04ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 91.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 558493
Weight: 7.38ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 55.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 736670
Weight: 10.20ct
Size: 22.4 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 705597
Weight: 2.37ct
Size: 8.9 x 6.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 699763
Weight: 18.52ct
Size: 21.4 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 691797
Weight: 0.63ct
Size: 4.9 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 52.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 413691
Weight: 13.89ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 458.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 431680
Weight: 2.52ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 26.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 456253
Weight: 1.53ct
Size: 7.4 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 14.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 394721
Weight: 4.95ct
Size: 10.4 x 10.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 706491
Weight: 8.87ct
Size: 11.7 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 655934
Weight: 1.30ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 709965
Weight: 1.32ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 634955
Weight: 1.86ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 308165
Weight: 2.70ct (total)
Size: 2.9 x 2.9 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 60.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 712834
Weight: 16.68ct
Size: 21.2 x 15.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 140.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 742069
Weight: 2.51ct
Size: 12 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 712537
Weight: 4.21ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 11.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 573120
Weight: 0.82ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 479681
Weight: 1.21ct
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 598592
Weight: 6.67ct
Size: 18.3 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 396457
Weight: 19.40ct
Size: 31.9 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 696586
Weight: 40.15ct
Size: 35.5 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 463495
Weight: 4.42ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 683530
Weight: 6.47ct
Size: 14.3 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 674835
Weight: 12.53ct
Size: 23.2 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 688389
Weight: 4.94ct
Size: 10.8 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 743342
Weight: 1.96ct
Size: 12 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 88.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 348372
Weight: 28.89ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 152.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 435638
Weight: 12.87ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 708222
Weight: 2.89ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 375985
Weight: 4.17ct
Size: 9.9 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.32
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
230
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

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 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

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 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

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 -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate
Enlarged Gemstone Image