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: 597423
Weight: 1.18ct (total)
Size: 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 39.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 559280
Weight: 2.13ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 43.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 390926
Weight: 1.65ct
Size: 8.1 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 59.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 717926
Weight: 1.22ct (total)
Size: 5.3 x 4.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 36.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 672226
Weight: 1.09ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 426511
Weight: 8.86ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 40.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 721519
Weight: 7.24ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 554322
Weight: 0.93ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 624919
Weight: 1.02ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 736389
Weight: 1.14ct
Size: 8.1 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 464179
Weight: 3.82ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 712299
Weight: 0.87ct
Size: 6.5 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 495243
Weight: 2.56ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 492379
Weight: 8.92ct
Size: 19 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 655293
Weight: 3.05ct
Size: 15.2 x 7.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 25.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 482196
Weight: 23.49ct (total)
Size: 22 x 14.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 30.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 435385
Weight: 10.78ct
Size: 19.1 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 713652
Weight: 19.34ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 135.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 595165
Weight: 14.53ct (total)
Size: 20.3 x 11.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 38.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 570045
Weight: 1.98ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 47.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 333717
Weight: 29.15ct
Size: 25 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 500.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 540021
Weight: 0.78ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 306926
Weight: 2.23ct
Size: 8.3 x 6.6 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 8.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 532407
Weight: 8.24ct
Size: 13 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 59.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 725848
Weight: 0.67ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 6.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 700968
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: 381922
Weight: 3.18ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 168.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 673879
Weight: 1.58ct
Size: 11.1 x 8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 64.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 736588
Weight: 34.11ct
Size: 24 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 533397
Weight: 1.86ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 14.81
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 672479
Weight: 16.85ct
Size: 27.7 x 16 mm
Clarity: Translucent
Content: 1 pc
Price: $ 20.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 651084
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 383702
Weight: 1.51ct
Size: 16.1 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 504854
Weight: 0.74ct
Size: 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 44.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 606434
Weight: 5.89ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 77.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 707073
Weight: 2.82ct
Size: 10.6 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 710775
Weight: 2.15ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 699331
Weight: avg. 0.26 ct / each
Size: 4 x 3 mm (calibrated)
Clarity: VS
Price: $ 5.76
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 640374
Weight: 1.25ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 720100
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 388263
Weight: 2.86ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 693801
Weight: 3.68ct
Size: 8.7 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 122.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 501804
Weight: 1.69ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 489727
Weight: 2.51ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 49.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 700072
Weight: 29.80ct
Size: 30.5 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 688787
Weight: 1.07ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 715518
Weight: 2.75ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 711227
Weight: 1.83ct
Size: 8.2 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 43.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 528267
Weight: 4.55ct
Size: 13.3 x 9.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 587313
Weight: 1.59ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 146.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 394334
Weight: 4.64ct (total)
Size: 8.6 x 8.5 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 30.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 484287
Weight: 5.34ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 70.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 585378
Weight: 8.88ct
Size: 18.5 x 10.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 83.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 708329
Weight: 10.56ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 532374
Weight: 4.81ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 478622
Weight: 0.72ct
Size: 9.8 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 408081
Weight: 9.16ct
Size: 13.3 x 12.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 21.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 627843
Weight: 1.72ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 606931
Weight: 20.85ct (total)
Size: 18.8 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 695065
Weight: 0.56ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 20.16
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
202
Choose Page
1 - 773

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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
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

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 -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 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

easy site to navigate

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

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate
Enlarged Gemstone Image