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: 384373
Weight: 1.75ct
Size: 16.1 x 3.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 44.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 662801
Weight: 0.66ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 346840
Weight: 39.35ct
Size: 31.9 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 655795
Weight: 8.85ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 709367
Weight: 2.31ct
Size: 14 x 7.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 413442
Weight: 2.03ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 625255
Weight: 2.00ct
Size: 8.4 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 40.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 680001
Weight: 31.42ct
Size: 21.8 x 17.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 301.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 662863
Weight: 3.94ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 94.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 722988
Weight: 1.19ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 35.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 694375
Weight: 22.50ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 189.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 735192
Weight: 2.32ct
Size: 8.7 x 6.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 111.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 397421
Weight: 5.24ct
Size: 11 x 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 409435
Weight: 11.00ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 52.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 715656
Weight: 1.77ct
Size: 8.2 x 6.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 485342
Weight: 10.77ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 25.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 477819
Weight: 13.27ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 341939
Weight: 3.87ct (total)
Size: 4.2 x 4.2 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 37.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 618141
Weight: 2.46ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 81.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 366381
Weight: 1.05ct
Size: 7.2 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 147.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 350381
Weight: 3.10ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 70.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 554610
Weight: 1.01ct
Size: 7.9 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 26.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 334930
Weight: 19.20ct
Size: 14.5 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 569242
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 727841
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 710978
Weight: 20.25ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 437911
Weight: 2.28ct
Size: 8.3 x 7.1 mm
Clarity: VS
Content: 1 pc
Price: $ 105.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 491759
Weight: 68.39ct (total)
Size: 24.9 x 20 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 80.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 498099
Weight: 23.94ct (total)
Size: 18.5 x 14.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 725311
Weight: 7.17ct
Size: 13.2 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 688823
Weight: 4.48ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 551277
Weight: 3.04ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 501553
Weight: 36.06ct (total)
Size: 33.7 x 13.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 142.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 572344
Weight: 1.19ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 37.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 448929
Weight: 10.36ct
Size: 18 x 14.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 553143
Weight: 4.62ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 81.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 571600
Weight: 8.44ct
Size: 15.4 x 11.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 66.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 719473
Weight: 0.65ct
Size: 5.2 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 11.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 625507
Weight: 1.34ct
Size: 7.8 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 565167
Weight: 0.19ct (total)
Size: 3 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 415.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 518309
Weight: 23.74ct
Size: 18.2 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 688811
Weight: 0.91ct
Size: 8.9 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 8.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 668704
Weight: 42.13ct
Size: 21.8 x 20.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 910.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 643705
Weight: 4.95ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 650565
Weight: 21.31ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 730020
Weight: 0.60ct
Size: 5.5 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 392459
Weight: 7.45ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 49.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 688142
Weight: 3.42ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 366568
Weight: 1.01ct
Size: 7.5 x 6.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 141.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 688621
Weight: 3.19ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 400802
Weight: 3.88ct
Size: 9.5 x 9.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 558621
Weight: 1.39ct
Size: 6.5 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 84.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 534780
Weight: 3.42ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 578073
Weight: 28.38ct
Size: 21.7 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 689168
Weight: 0.87ct
Size: 9.1 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 713820
Weight: 18.30ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 153.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 472859
Weight: 3.74ct
Size: 17.5 x 9.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 51.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 431303
Weight: 1.57ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 696556
Weight: 45.70ct
Size: 34.2 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 713835
Weight: 1.23ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.33
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
597
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

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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia 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

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
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

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate
Enlarged Gemstone Image