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: 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: 678063
Weight: 9.01ct
Size: 21.7 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 680706
Weight: 3.51ct
Size: 11.4 x 8.1 mm
Clarity: SI
Content: 1 pc
Price: $ 105.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 587725
Weight: 19.72ct
Size: 15.6 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 733766
Weight: 7.46ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 67.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 686495
Weight: 13.67ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 668117
Weight: 28.84ct
Size: 19.9 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 173.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 673544
Weight: 1.58ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 711848
Weight: 0.46ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 594689
Weight: 11.94ct
Size: 17 x 12.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 94.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 548260
Weight: 22.15ct
Size: 16.8 x 15.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 877.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 631591
Weight: 5.54ct
Size: 13 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 711789
Weight: 0.79ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 686613
Weight: 3.04ct
Size: 10.4 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 727280
Weight: 0.61ct
Size: 5.5 x 3.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 36.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 706998
Weight: 2.60ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 596683
Weight: 37.10ct
Size: 24.3 x 19.9 mm
Clarity: VS
Content: 1 pc
Price: $ 327.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 418298
Weight: 5.59ct
Size: 13.9 x 9.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 610155
Weight: 12.37ct (total)
Size: 18.3 x 12.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 725329
Weight: 0.67ct
Size: 11.9 x 2.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 395326
Weight: 9.63ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 63.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 673226
Weight: 1.29ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 694549
Weight: 5.83ct
Size: 15 x 8.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 48.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 496771
Weight: 2.43ct
Size: 9.4 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 64.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 692382
Weight: 11.43ct
Size: 17.8 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 634774
Weight: 0.96ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 737877
Weight: 0.95ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 47.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 693447
Weight: 23.67ct
Size: 38.8 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 612286
Weight: 7.68ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 109.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 677818
Weight: 0.18ct (total)
Size: 2.2 x 2.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 108.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 533974
Weight: 2.17ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 17.18
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 499522
Weight: 11.37ct
Size: 14.9 x 13.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 75.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 447517
Weight: 1.98ct
Size: 8.4 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 85.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 720317
Weight: 1.62ct
Size: 7.6 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 155.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 714094
Weight: 1.17ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 63.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 341968
Weight: 4.88ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 43.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 582758
Weight: 5.20ct
Size: 12.9 x 9.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 691587
Weight: 37.32ct
Size: 36.1 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 684000
Weight: 0.43ct
Size: 5.1 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 18.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 694009
Weight: 19.39ct
Size: 28 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 481446
Weight: 1.58ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 715026
Weight: 4.67ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 424844
Weight: 0.67ct
Size: 6.6 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 26.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 574314
Weight: 4.82ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 44.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 621517
Weight: 1.82ct
Size: 8 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 38.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 499423
Weight: 2.17ct (total)
Size: 7.3 x 4.6 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 8.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 458283
Weight: 1.27ct (total)
Size: 4.5 x 3.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 167.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 712907
Weight: 1.94ct
Size: 8.4 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 46.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 704884
Weight: 1.68ct
Size: 10.6 x 8.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 50.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 684515
Weight: 39.70ct
Size: 29.4 x 28.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 50.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 645864
Weight: 27.21ct
Size: 28.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 396250
Weight: 2.31ct
Size: 7.4 x 7.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 113.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 513192
Weight: 0.92ct
Size: 6.6 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 66.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 711986
Weight: 4.39ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 63.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 694554
Weight: 12.55ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 105.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 497206
Weight: 30.12ct
Size: 25.6 x 24 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 593318
Weight: 0.58ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 733466
Weight: 3.10ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 712482
Weight: 4.07ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 734799
Weight: 5.40ct
Size: 12 x 9.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 226.80
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
44
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

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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 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

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick 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
Enlarged Gemstone Image