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: 721092
Weight: 1.06ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 8.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 710408
Weight: 0.90ct
Size: 6.3 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 410293
Weight: 1.83ct (total)
Size: 7.1 x 4.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 8.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 569245
Weight: 0.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 459854
Weight: 4.89ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 660324
Weight: 2.86ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 707980
Weight: 4.92ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 390590
Weight: 2.14ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 137.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 695436
Weight: 6.11ct
Size: 11 x 9.5 mm
Clarity: VS
Content: 1 pc
Price: $ 183.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 314773
Weight: 1.59ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 83.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 724558
Weight: 0.63ct
Size: 6.6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 596663
Weight: 8.22ct
Size: 22.2 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 12.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 624226
Weight: 40.12ct
Size: 32.7 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 635847
Weight: 2.59ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 68.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 486228
Weight: 4.90ct
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 357503
Weight: 4.01ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 724655
Weight: 0.70ct
Size: 10 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 21.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 661850
Weight: 6.42ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 721621
Weight: 6.39ct
Size: 16.3 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 512895
Weight: 2.01ct
Size: 8.8 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 43.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 646541
Weight: 0.56ct (total)
Size: 3.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 16.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 693362
Weight: 73.18ct
Size: 33.8 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 573270
Weight: avg. 0.38 ct / each
Size: 4 mm (calibrated)
Clarity: Transparent
Price: $ 2.07
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 511088
Weight: 7.04ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 55.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 534613
Weight: 1.76ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 13.94
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 534218
Weight: 3.61ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 539861
Weight: 1.44ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 29.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 598317
Weight: 1.44ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 479832
Weight: 3.40ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 543868
Weight: 0.86ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 475416
Weight: 4.03ct
Size: 12.5 x 10.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 42.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 655529
Weight: 1.98ct
Size: 8 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 566298
Weight: 4.73ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 396940
Weight: 4.30ct
Size: 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 718321
Weight: 1.15ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 34.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 687081
Weight: 13.99ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 675011
Weight: 2.91ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 687797
Weight: 1.46ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 673661
Weight: 14.77ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 194.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 391870
Weight: 29.01ct (total)
Size: 32.1 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 57.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 726202
Weight: 0.42ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 719830
Weight: 0.99ct
Size: 6 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 730345
Weight: 2.64ct
Size: 10.1 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 727389
Weight: 0.80ct
Size: 10.7 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 390795
Weight: 1.71ct
Size: 16.7 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 713774
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 463968
Weight: 5.85ct
Size: 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 733048
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 422987
Weight: 91.64ct (total)
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 6 pcs
Price: $ 96.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 710324
Weight: 1.40ct
Size: 7.4 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 678306
Weight: 0.77ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Price: $ 6.47
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 546657
Weight: 1.71ct
Size: 7.6 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 13.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 451728
Weight: 3.45ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 36.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 487498
Weight: 53.98ct
Size: 31.5 x 30.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 514336
Weight: 15.93ct (total)
Size: 20.2 x 11 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 41.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 720493
Weight: 0.86ct
Size: 5.4 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 154.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 436520
Weight: 2.76ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 646738
Weight: 0.94ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 638186
Weight: 1.24ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 29.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 418313
Weight: 6.76ct
Size: 13.9 x 10.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.38
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
547
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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod 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

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate
Enlarged Gemstone Image