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: 672069
Weight: 9.75ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 58.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 737503
Weight: 1.17ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 506053
Weight: 47.87ct
Size: 22.3 x 19.3 mm
Clarity: IF
Content: 1 pc
Price: $ 379.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 428152
Weight: 5.26ct
Size: 13.8 x 10.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 41.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 456539
Weight: 1.68ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 717023
Weight: 15.97ct
Size: 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 685840
Weight: 1.28ct
Size: 7.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 692993
Weight: 26.97ct
Size: 40.6 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 713770
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 660261
Weight: 1.43ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 384643
Weight: 12.63ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 512167
Weight: 1.61ct
Size: 9.3 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 133.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 724992
Weight: 0.77ct
Size: 7.7 x 3.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 660399
Weight: 1.56ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 712054
Weight: 56.79ct (total)
Size: 25.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 151.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 470425
Weight: 6.53ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 727902
Weight: 0.03ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 506002
Weight: 52.93ct
Size: 27 x 20 mm (calibrated)
Clarity: IF
Content: 1 pc
Price: $ 419.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 689781
Weight: 0.97ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 648256
Weight: 15.06ct
Size: 20.8 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 689172
Weight: 0.74ct
Size: 8.9 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 548979
Weight: 2.55ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 465321
Weight: 3.76ct
Size: 13.8 x 9.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 706809
Weight: 38.07ct
Size: 38.6 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 500199
Weight: 3.16ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 8 pcs
Price: $ 29.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 417593
Weight: 2.68ct (total)
Size: 4.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 109.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 704631
Weight: 1.78ct
Size: 10.8 x 8.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 53.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 688637
Weight: 1.11ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 530638
Weight: 7.04ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 436647
Weight: 4.85ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 674851
Weight: 2.90ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 475190
Weight: 22.07ct (total)
Size: 19.3 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 52.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 460420
Weight: 3.62ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 47.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 513228
Weight: 5.99ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 478158
Weight: 1.16ct
Size: 9.6 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 153.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 687969
Weight: 3.71ct
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 568975
Weight: 2.66ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 52.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 481326
Weight: 46.47ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 46.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 687674
Weight: 4.61ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 645882
Weight: 20.89ct
Size: 22.7 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 525353
Weight: 1.32ct
Size: 7.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 243.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 497056
Weight: 2.40ct
Size: 8.9 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 297884
Weight: 3.37ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 115.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 546744
Weight: 1.38ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 686303
Weight: 0.26ct
Size: 3.7 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 714186
Weight: 0.44ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 13.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 669019
Weight: 0.91ct
Size: 5.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 829.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 306922
Weight: 2.77ct
Size: 9.1 x 8.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 714797
Weight: 0.35ct
Size: 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 10.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 727025
Weight: 0.74ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 694826
Weight: 49.72ct
Size: 36.8 x 22.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 737422
Weight: 6.62ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 700971
Weight: 0.45ct
Size: 4.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 27.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 480133
Weight: 2.04ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 18.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 521448
Weight: 36.28ct
Size: 36.6 x 18.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 287.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 541524
Weight: 1.47ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 566974
Weight: 1.32ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 668710
Weight: 10.37ct
Size: 18.3 x 12.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 223.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 650145
Weight: 4.17ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 448634
Weight: 1.43ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.44
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
235
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

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate
Enlarged Gemstone Image