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: 718306
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 401701
Weight: 1.02ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 126.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 737525
Weight: 2.12ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 95.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 462259
Weight: 3.85ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 673740
Weight: 13.40ct
Size: 22.1 x 12.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 241.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 686276
Weight: 5.97ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 654792
Weight: 5.09ct
Size: 12.9 x 10 mm
Clarity: Translucent
Content: 1 pc
Price: $ 67.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 700599
Weight: 0.57ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Price: $ 5.47
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 718163
Weight: 0.74ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 464356
Weight: 3.97ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 386704
Weight: 3.87ct
Size: 21.5 x 9.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 486012
Weight: 3.09ct
Size: 8.1 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 647928
Weight: 1.09ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 727216
Weight: 0.69ct
Size: 7.3 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 600403
Weight: 3.21ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 484697
Weight: 2.10ct
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 483944
Weight: 23.68ct
Size: 20 mm (calibrated)
Clarity: Opaque
Price: $ 34.69
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 730436
Weight: 1.64ct
Size: 7.9 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 275.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 711541
Weight: 11.00ct
Size: 20 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 390907
Weight: 9.06ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 17.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 733137
Weight: 3.50ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 668824
Weight: 13.06ct
Size: 15.9 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 501537
Weight: 22.41ct (total)
Size: 29.2 x 17 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 70.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 694718
Weight: 7.47ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 224.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 587687
Weight: 34.06ct
Size: 21.7 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 698532
Weight: 0.97ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 516679
Weight: 5.92ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 604847
Weight: 8.45ct
Size: 17 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 111.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 517803
Weight: 2.43ct
Size: 9 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 53.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 683101
Weight: 0.69ct
Size: 8.1 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 564681
Weight: 4.13ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 711981
Weight: 3.49ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 50.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 471548
Weight: 1.47ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 194.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 565512
Weight: 4.29ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 725181
Weight: 11.01ct
Size: 12.7 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 435461
Weight: 11.83ct
Size: 18.4 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 345646
Weight: 29.37ct
Size: 21.5 x 13.9 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 50.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 446273
Weight: 10.58ct
Size: 21.2 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 719955
Weight: 0.89ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 715822
Weight: 1.27ct
Size: 8 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 492271
Weight: 6.28ct
Size: 16.1 x 10.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 261622
Weight: 3.05ct (total)
Size: 5.1 x 2.6 mm
Clarity: VS
Content: 20 pcs
Price: $ 161.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 329233
Weight: 35.20ct
Size: 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 59.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 394926
Weight: 4.48ct
Size: 10.6 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 450542
Weight: 4.96ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 45.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 479666
Weight: 2.22ct (total)
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 464357
Weight: 3.64ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 33.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 673989
Weight: 2.95ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 88.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 546490
Weight: 2.76ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 456524
Weight: 3.17ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 29.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 471474
Weight: 23.10ct
Size: 25.5 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 533015
Weight: 9.88ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 595199
Weight: 3.41ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 90.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 658776
Weight: 0.74ct
Size: 6.3 x 4.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 546512
Weight: 2.43ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 38.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 730425
Weight: 6.80ct
Size: 12.8 x 12.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 652.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 697563
Weight: 0.49ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 10.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 476800
Weight: 32.44ct
Size: 19 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 128.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 509127
Weight: 31.04ct
Size: 23.3 x 16.5 mm
Clarity: IF
Content: 1 pc
Price: $ 286.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 531589
Weight: 3.41ct
Size: 9 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 153.45
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
196
Choose Page
1 - 772

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

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 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

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

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate
Enlarged Gemstone Image