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: 388987
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 53.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 583889
Weight: 4.61ct
Size: 10.5 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 525634
Weight: 1.65ct
Size: 7.2 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 304.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 472333
Weight: 7.64ct
Size: 14.2 x 11.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 70.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 714174
Weight: 0.48ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 14.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 689336
Weight: 1.55ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 647251
Weight: 34.30ct
Size: 19.1 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 673566
Weight: 27.24ct
Size: 23.7 x 17.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 490.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 401206
Weight: 7.27ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 563593
Weight: 2.92ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 437504
Weight: 1.60ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 510937
Weight: 23.63ct (total)
Size: 20.6 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 50.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 595027
Weight: 2.59ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 68.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 720985
Weight: 27.07ct
Size: 20.1 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 626163
Weight: 1.14ct
Size: 7 x 4.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 261580
Weight: 3.32ct (total)
Size: 5.3 x 2.7 mm
Clarity: VS
Content: 20 pcs
Price: $ 175.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 422828
Weight: 0.86ct
Size: 6 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 32.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 697525
Weight: 5.98ct
Size: 15.1 x 9.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 43.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 485128
Weight: 5.24ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 27.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 482161
Weight: 1.75ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 450922
Weight: 1.57ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 418178
Weight: 8.80ct (total)
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 17.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 540213
Weight: 0.98ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 672598
Weight: 5.28ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 14.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 724837
Weight: 0.96ct
Size: 9.9 x 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 721915
Weight: 0.55ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 704377
Weight: 1.28ct
Size: 12.4 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 710787
Weight: 29.36ct
Size: 23.1 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 547617
Weight: 2.06ct
Size: 6.3 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 41.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 700139
Weight: 0.64ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 406965
Weight: 13.22ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 49.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 549167
Weight: 3.43ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 712428
Weight: 10.73ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 28.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 400160
Weight: 6.41ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 439411
Weight: 3.24ct (total)
Size: 5.1 x 3.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 42.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 685329
Weight: 0.54ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Price: $ 22.68
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 416429
Weight: 2.21ct
Size: 20.5 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 72.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 704933
Weight: 1.03ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 556882
Weight: 0.63ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 465766
Weight: 3.98ct (total)
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 42.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 428617
Weight: 3.97ct
Size: 11.5 x 9.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 683148
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 114.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 728377
Weight: 18.98ct
Size: 25.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 486472
Weight: 22.34ct
Size: 33.1 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 745435
Weight: 11.67ct
Size: 17.9 x 8.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 730237
Weight: 41.53ct
Size: 31.7 x 25.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 463982
Weight: 4.33ct
Size: 11.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 369620
Weight: 7.50ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 745449
Weight: 15.61ct
Size: 16.7 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 418199
Weight: 10.56ct (total)
Size: 15.2 x 10.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 20.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 491083
Weight: 5.77ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 16.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 743198
Weight: 2.05ct
Size: 10.6 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 287.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 387859
Weight: 2.96ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 491145
Weight: 8.38ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 6 pcs
Price: $ 24.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 639101
Weight: 1.34ct (total)
Size: 6.2 x 4.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 11.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 511091
Weight: 7.00ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 55.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 672009
Weight: 4.46ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 12.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 741077
Weight: 37.50ct
Size: 23.3 x 17.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 75.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 523156
Weight: 16.01ct
Size: 30.6 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 105.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 585525
Weight: 59.84ct
Size: 32 x 27.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.75
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
390
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 -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 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
Enlarged Gemstone Image