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: 433974
Weight: 27.71ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 716329
Weight: 12.49ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 119.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 708762
Weight: 1.26ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 737548
Weight: 9.27ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 55.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 430209
Weight: 1.98ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 65.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 745993
Weight: 2.05ct
Size: 8 x 6.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 66.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 655804
Weight: 1.23ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 718677
Weight: 6.45ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 645786
Weight: 22.71ct
Size: 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 443381
Weight: 11.53ct (total)
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 489712
Weight: 2.52ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 49.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 725636
Weight: 0.81ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 713974
Weight: 1.68ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 678675
Weight: 13.28ct
Size: 26.7 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 708180
Weight: 2.99ct (total)
Size: 8.2 x 6.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 61.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 419910
Weight: 13.79ct
Size: 21.1 x 15.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 54.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 400113
Weight: 7.28ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 658440
Weight: 9.01ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 699107
Weight: 3.54ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 714769
Weight: 0.82ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 339801
Weight: 1.63ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 33.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 651010
Weight: 2.08ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 149.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 705712
Weight: 12.73ct
Size: 26.6 x 14.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 12.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 718508
Weight: 10.02ct
Size: 20.8 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 722699
Weight: 20.73ct
Size: 26 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 174.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 540338
Weight: 4.86ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 555561
Weight: 29.82ct
Size: 22.4 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 709373
Weight: 0.91ct
Size: 10.2 x 4.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 723888
Weight: 63.04ct
Size: 24.1 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 387073
Weight: 5.63ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 521444
Weight: 40.57ct
Size: 29.7 x 20.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 321.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 396606
Weight: 1.39ct
Size: 8 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 87.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 727214
Weight: 0.66ct
Size: 7.9 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 650130
Weight: 1.49ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 12.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 495370
Weight: 1.84ct
Size: 8.2 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 461514
Weight: 1.90ct (total)
Size: 5 x 4.2 mm
Clarity: VS
Content: 4 pcs
Price: $ 250.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 663141
Weight: 21.10ct (total)
Size: 24.4 x 14.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 14.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 492637
Weight: 4.28ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 457025
Weight: 3.69ct
Size: 11.4 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 19.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 712697
Weight: 3.92ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 668892
Weight: 8.92ct
Size: 16.9 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 192.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 479463
Weight: 1.74ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 742122
Weight: 3.48ct
Size: 12 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 743338
Weight: 4.89ct
Size: 18.3 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 556712
Weight: 2.99ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 25.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 677972
Weight: 0.16ct (total)
Size: 2.1 x 2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 96.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 346058
Weight: 23.54ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 124.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 730229
Weight: 2.45ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 590855
Weight: 36.45ct
Size: 25 x 18 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 240.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 482475
Weight: 25.95ct
Size: 31.9 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 716151
Weight: 2.92ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 408035
Weight: 13.94ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 644426
Weight: 3.04ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 658679
Weight: 6.87ct
Size: 28.9 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 595145
Weight: 15.37ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 376863
Weight: 1.95ct
Size: 7.9 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 472612
Weight: 36.54ct
Size: 34.5 x 20.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 76.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 706893
Weight: 2.15ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 736132
Weight: 9.84ct
Size: 22.8 x 15 mm
Clarity: Translucent
Content: 1 pc
Price: $ 243.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 680687
Weight: 1.07ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 32.10
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
256
Choose Page
1 - 773

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 quality, package and info of your gems.

Posted By Diana in April, 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

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 -> 9 star ratings

I was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 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

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate
Enlarged Gemstone Image