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: 439369
Weight: 1.93ct
Size: 7.8 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 119.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 450758
Weight: 3.34ct
Size: 12.5 x 7.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 544430
Weight: 0.84ct
Size: 6.3 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 44.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 453934
Weight: 1.08ct
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 425946
Weight: 5.61ct
Size: 12.1 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 504660
Weight: 2.25ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 648258
Weight: 12.48ct
Size: 24.2 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 637112
Weight: 0.92ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 707994
Weight: 6.93ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 383710
Weight: 1.55ct
Size: 16.3 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 604851
Weight: 7.00ct
Size: 15.9 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 92.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 455044
Weight: 27.10ct (total)
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 35.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 453801
Weight: 3.56ct
Size: 13 x 8.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 521651
Weight: 10.98ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 86.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 567651
Weight: 1.11ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 387134
Weight: 5.46ct
Size: 11.2 x 10 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 475033
Weight: 1.49ct
Size: 8.1 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 722998
Weight: 1.13ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 33.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 491140
Weight: 10.97ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 3 pcs
Price: $ 32.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 662804
Weight: 0.64ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 487294
Weight: 19.92ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 443322
Weight: 4.57ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 737539
Weight: 3.85ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 173.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 466382
Weight: 8.36ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 5 pcs
Price: $ 308.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 464228
Weight: 3.96ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 422556
Weight: 4.81ct
Size: 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 663970
Weight: 2.51ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 556574
Weight: 3.65ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 30.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 486544
Weight: 20.59ct
Size: 30 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 687594
Weight: 2.60ct (total)
Size: 11.6 x 5.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 7.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 497877
Weight: 2.78ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 19.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 387676
Weight: 3.06ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 691346
Weight: 0.70ct
Size: 5.3 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 58.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 681902
Weight: 18.46ct
Size: 26.9 x 11.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 177.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 389506
Weight: 3.23ct (total)
Size: 7.6 x 6.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 21.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 688972
Weight: 2.27ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 341387
Weight: 7.10ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 68.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 673661
Weight: 14.77ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 194.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 532532
Weight: 2.19ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 17.34
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 689786
Weight: 0.72ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 418235
Weight: 8.69ct
Size: 16.4 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 465966
Weight: 6.63ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 623672
Weight: 3.16ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 53.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 514800
Weight: 1.91ct
Size: 8.1 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 666921
Weight: 25.45ct
Size: 24.9 x 20.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 458.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 370698
Weight: 15.53ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 710152
Weight: 2.69ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 478851
Weight: 0.69ct
Size: 6.5 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 29.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 686510
Weight: 0.20ct
Size: 3.3 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 14.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 662765
Weight: 3.36ct
Size: 12 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 446949
Weight: 1.90ct
Size: 7.9 x 6.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 89.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 371387
Weight: 5.14ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 33.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 387702
Weight: 1.93ct (total)
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 171.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 418358
Weight: 9.43ct
Size: 19.3 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 18.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 706899
Weight: 2.04ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 626946
Weight: 22.55ct
Size: 18.5 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 118.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 439629
Weight: 6.64ct
Size: 13.9 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 131.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 601390
Weight: 14.46ct (total)
Size: 25.1 x 12.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 69.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 476427
Weight: 6.52ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 600572
Weight: 53.62ct
Size: 33.4 x 23.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.34
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
473
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 -> 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

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

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate
Enlarged Gemstone Image