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: 471424
Weight: 27.53ct
Size: 31.6 x 23.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 728188
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 478543
Weight: 0.66ct
Size: 7.1 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 382945
Weight: 11.71ct
Size: 16.6 x 14 mm
Clarity: Translucent
Content: 1 pc
Price: $ 46.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 439210
Weight: 2.81ct
Size: 8.5 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 174.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 546642
Weight: 3.28ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 714197
Weight: 0.93ct
Size: 7.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 50.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 451255
Weight: 2.46ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 22.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 390745
Weight: 2.22ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 143.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 430161
Weight: 4.97ct
Size: 13.4 x 8.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 577067
Weight: 5.24ct
Size: 12.8 x 10.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 715500
Weight: 1.08ct
Size: 11.7 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 68.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 421978
Weight: 0.62ct
Size: 6.7 x 3.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 63.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 630754
Weight: 7.41ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 553603
Weight: 7.01ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 37.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 634137
Weight: 8.46ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 390559
Weight: 1.72ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 110.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 514129
Weight: 7.00ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 65.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 567683
Weight: 1.65ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 37.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 721863
Weight: 34.70ct
Size: 27.6 x 17.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 384611
Weight: 11.79ct
Size: 20.1 x 15.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 46.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 715536
Weight: 1.40ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 708206
Weight: 23.40ct
Size: 22.9 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 662675
Weight: 17.35ct (total)
Size: 21.1 x 14.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 546471
Weight: 1.19ct
Size: 6.5 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 9.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 365503
Weight: 1.37ct
Size: 6.9 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 50.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 715102
Weight: 3.61ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 590443
Weight: 1.54ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 29.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 568493
Weight: 3.63ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 681724
Weight: 0.87ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 727020
Weight: 0.75ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 544823
Weight: 0.89ct
Size: 5.3 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 39.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 519120
Weight: 28.79ct
Size: 25.7 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 719618
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 477561
Weight: 1.81ct (total)
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 50.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 656566
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 725565
Weight: 1.91ct (total)
Size: 7.1 x 5.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 75.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 660178
Weight: 1.95ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 685560
Weight: 1.13ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 638824
Weight: 4.01ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 395809
Weight: 6.29ct
Size: 10 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 308.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 350526
Weight: 2.70ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 61.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 439478
Weight: 7.18ct
Size: 15.2 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 142.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 744779
Weight: 9.69ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 744244
Weight: 5.56ct
Size: 14.4 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 393734
Weight: 2.38ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 43.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 504672
Weight: 2.60ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 724879
Weight: 0.90ct
Size: 9 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 37.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 597460
Weight: 2.09ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 137.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 435389
Weight: 11.51ct
Size: 18.9 x 14.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 37.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 463875
Weight: 11.46ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 710246
Weight: 5.78ct
Size: 11.7 x 8.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 183.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 636636
Weight: 1.50ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 358253
Weight: 3.99ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 463803
Weight: 3.84ct
Size: 10.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 453369
Weight: 3.44ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 31.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 712021
Weight: 14.28ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 710417
Weight: 2.86ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 422063
Weight: 4.93ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 521026
Weight: 29.23ct
Size: 33.8 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 771.67
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
63
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

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

Had a great experience and the prices are great

Posted By BuBx99 in November, 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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
Enlarged Gemstone Image