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: 393357
Weight: 2.36ct (total)
Size: 4 x 2.1 mm
Clarity: VS
Content: 20 pcs
Price: $ 171.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 707174
Weight: 4.54ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 744020
Weight: 26.71ct
Size: 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 1,602.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 416200
Weight: 0.96ct
Size: 15.2 x 2.7 mm
Clarity: VS
Content: 1 pc
Price: $ 30.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 696903
Weight: 27.50ct
Size: 40.1 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 368414
Weight: 3.31ct
Size: 10.3 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 715364
Weight: 0.88ct
Size: 6.5 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 55.97
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: 631616
Weight: 10.26ct
Size: 28 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 536859
Weight: 0.97ct
Size: 5.7 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 392665
Weight: 13.08ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 86.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 428474
Weight: 3.54ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 694819
Weight: 15.55ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 466.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 708517
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 636153
Weight: 16.30ct
Size: 24.9 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 136.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 632505
Weight: 2.35ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 511089
Weight: 7.50ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 59.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 359779
Weight: 18.53ct
Size: 21.9 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 495895
Weight: 0.90ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 46.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 714351
Weight: 0.47ct
Size: 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 14.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 620991
Weight: 1.89ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 47.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 645188
Weight: 2.26ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 369720
Weight: 8.13ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 469366
Weight: 25.41ct
Size: 29.1 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 450708
Weight: 4.25ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 389888
Weight: 0.90ct
Size: 8.6 x 5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 58.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 673280
Weight: 0.93ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 3.35
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: 494285
Weight: 33.92ct
Size: 35.2 x 15.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 514178
Weight: 21.49ct (total)
Size: 17 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 56.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 689703
Weight: 2.27ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 68.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 499719
Weight: 8.94ct
Size: 20.1 x 10.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 452173
Weight: 0.78ct
Size: 6.2 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 36.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 591542
Weight: 2.18ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 674841
Weight: 8.95ct
Size: 28.5 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 682345
Weight: 20.54ct
Size: 21 x 14.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 197.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 721517
Weight: 4.88ct
Size: 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 659411
Weight: 1.29ct
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 479951
Weight: 4.67ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 692982
Weight: 18.89ct
Size: 29.7 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 660173
Weight: 2.09ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 461231
Weight: 8.66ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 80.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 745636
Weight: 2.20ct
Size: 8.6 x 8.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 154.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 704589
Weight: 2.96ct
Size: 12.3 x 9.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 88.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 687128
Weight: 8.67ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 704885
Weight: 1.68ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 706624
Weight: 11.61ct
Size: 15.5 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 683020
Weight: 0.91ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 376740
Weight: 2.13ct
Size: 8.1 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 707976
Weight: 5.00ct
Size: 14.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 539679
Weight: 2.57ct (total)
Size: 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 50.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 693735
Weight: 2.32ct
Size: 8.5 x 6.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 76.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 528138
Weight: 3.33ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 24.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 400240
Weight: 6.90ct (total)
Size: 9.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 22.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 572198
Weight: 2.89ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 479571
Weight: 1.22ct
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 645213
Weight: 2.32ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 673598
Weight: 6.45ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 193.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 349394
Weight: 1.42ct
Size: 7.4 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 178.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 533870
Weight: 2.70ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.95
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
487
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

Enjoyed shopping.

Posted By Chris in March, 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

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

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 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

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

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