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: 484660
Weight: 49.26ct
Size: 38.9 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 658569
Weight: 33.90ct
Size: 33.1 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 522410
Weight: 20.80ct
Size: 32.3 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 137.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 304560
Weight: 7.60ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 651040
Weight: 10.16ct
Size: 22.3 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 522443
Weight: 108.15ct
Size: 37.9 x 26.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 285.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 679955
Weight: 33.44ct
Size: 21.7 x 18.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 267.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 523588
Weight: 29.76ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 415934
Weight: 2.06ct
Size: 8.4 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 88.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 366388
Weight: 1.20ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 168.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 567268
Weight: 56.50ct
Size: 45.2 x 27 mm
Clarity: Opaque
Content: 1 pc
Price: $ 127.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 334164
Weight: 2.54ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 100.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 676221
Weight: 19.18ct
Size: 20.9 x 12.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 207.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 366656
Weight: 1.47ct
Size: 8.4 x 6.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 187.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 677817
Weight: 0.14ct (total)
Size: 2.2 x 2.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 84.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 483953
Weight: 48.14ct
Size: 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 349478
Weight: 1.39ct
Size: 7.5 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 192.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 617796
Weight: 36.66ct
Size: 45.9 x 26.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 586699
Weight: 44.10ct
Size: 35.1 x 23.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 291.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 349459
Weight: 1.17ct
Size: 7.5 x 5.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 162.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 396085
Weight: 3.03ct
Size: 7.7 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 148.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 484654
Weight: 26.04ct
Size: 26.4 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 333933
Weight: 32.10ct
Size: 22.5 x 16.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 693.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 375266
Weight: 2.92ct
Size: 8.4 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 102.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 562192
Weight: 27.43ct (total)
Size: 18 x 14.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 916.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 497474
Weight: 2.54ct
Size: 8.6 x 8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 359778
Weight: 29.74ct
Size: 22 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 391712
Weight: 43.68ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 672146
Weight: 24.26ct
Size: 33.2 x 17.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 594889
Weight: 12.36ct
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 135.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 693346
Weight: 4.96ct
Size: 10.7 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 137.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 720241
Weight: 1.69ct
Size: 7.3 x 7.1 mm
Clarity: SI
Content: 1 pc
Price: $ 101.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 638826
Weight: 2.97ct
Size: 10.5 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 663993
Weight: 8.43ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 416872
Weight: 7.96ct
Size: 16.6 x 8.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 655525
Weight: 1.96ct
Size: 12 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 493507
Weight: 3.65ct
Size: 11.4 x 8.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 609088
Weight: 2.39ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 78.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 351524
Weight: 30.70ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 162.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 366486
Weight: 1.39ct
Size: 8.6 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 195.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 674986
Weight: 29.24ct
Size: 28.5 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 622821
Weight: 3.81ct
Size: 11.6 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 476877
Weight: 20.93ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 82.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 609045
Weight: 2.80ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 715332
Weight: 1.67ct
Size: 7.8 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 240.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 565126
Weight: 0.15ct (total)
Size: 2.7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 328.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 679214
Weight: 19.33ct
Size: 26 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 541686
Weight: 10.24ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 146.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 348778
Weight: 62.26ct
Size: 36.8 x 30.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 696110
Weight: 24.51ct
Size: 33.4 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 348795
Weight: 61.25ct
Size: 39.6 x 25 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 693994
Weight: 1.36ct
Size: 6.4 x 5.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 68.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 439316
Weight: 4.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 296.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 359622
Weight: 36.79ct
Size: 22 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 448563
Weight: 1.13ct
Size: 7.9 x 5.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 544.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 527301
Weight: avg. 0.30 ct / each
Size: 5 x 3 mm (calibrated)
Clarity: VVS-VS
Price: $ 4.89
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 645895
Weight: 37.39ct
Size: 32.2 x 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 116.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 472172
Weight: 8.10ct
Size: 12.5 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 528821
Weight: 43.39ct
Size: 30 x 20.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 95.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 602276
Weight: 1.46ct
Size: 7 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 48.18
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
8
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 -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
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