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: 413552
Weight: 10.26ct
Size: 13 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 383761
Weight: 1.35ct
Size: 18.8 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 34.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 446002
Weight: 7.18ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 672603
Weight: 19.30ct (total)
Size: 23.8 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 54.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 514536
Weight: 29.14ct (total)
Size: 21.3 x 13 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 76.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 685593
Weight: 0.08ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 475563
Weight: 22.10ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 702076
Weight: 10.23ct
Size: 16.7 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 359681
Weight: 25.17ct
Size: 22.1 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 732595
Weight: 0.47ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 656096
Weight: 10.41ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 427688
Weight: 2.39ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 683579
Weight: 4.80ct
Size: 12.1 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 673665
Weight: 15.76ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 245.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 557562
Weight: 0.62ct
Size: 5.6 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 479510
Weight: 17.47ct (total)
Size: 19.7 x 12.6 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 31.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 358029
Weight: 1.82ct
Size: 8.4 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 48.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 709138
Weight: 1.79ct
Size: 8.1 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 36.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 585078
Weight: 13.26ct (total)
Size: 23.7 x 11.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 656164
Weight: 1.84ct
Size: 10 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 735187
Weight: 2.03ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 81.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 570251
Weight: 0.82ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 371107
Weight: 26.64ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 35.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 349036
Weight: 44.98ct
Size: 44.3 x 24 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 487768
Weight: 33.81ct
Size: 29.1 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 669210
Weight: 12.18ct
Size: 16.8 x 12.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 263.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 713947
Weight: 1.07ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 434341
Weight: 1.67ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 710388
Weight: 1.30ct
Size: 8.5 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 684856
Weight: 4.89ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 710155
Weight: 1.41ct
Size: 6.9 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 25.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 520371
Weight: 7.98ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 75.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 699609
Weight: 0.34ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 20.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 494894
Weight: 3.81ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 563530
Weight: 1.76ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 39.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 619127
Weight: 2.00ct
Size: 10.2 x 7.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 485056
Weight: 29.51ct
Size: 40 x 14.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 64.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 457152
Weight: 1.55ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 606836
Weight: 24.35ct (total)
Size: 19.6 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 37.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 712172
Weight: 5.08ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 514180
Weight: 28.04ct (total)
Size: 20.2 x 13.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 73.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 674112
Weight: 2.77ct
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 718175
Weight: 0.02ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 306476
Weight: 46.80ct
Size: 24.2 x 20.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 74.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 410223
Weight: 6.08ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 40.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 458351
Weight: 1.49ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 196.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 454613
Weight: 8.12ct
Size: 17.7 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 730217
Weight: 1.15ct
Size: 8.3 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 69.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 717934
Weight: 1.70ct (total)
Size: 6 x 4.9 mm
Clarity: VS
Content: 2 pcs
Price: $ 51.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 390896
Weight: 4.54ct
Size: 12 x 9.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 176.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 699606
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 36.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 695059
Weight: 0.49ct
Size: 5.1 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 17.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 570040
Weight: 1.43ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 471054
Weight: 3.07ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 722806
Weight: 0.60ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 463310
Weight: 4.66ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 453393
Weight: 1.82ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 16.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 530303
Weight: 1.18ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 551463
Weight: 1.43ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 718300
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.00
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
731
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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate
Enlarged Gemstone Image