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: 468452
Weight: 0.80ct
Size: 8.6 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 618779
Weight: 44.26ct
Size: 31.5 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 722732
Weight: 23.96ct
Size: 29 x 15.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 201.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 743391
Weight: 0.73ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 73.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 590862
Weight: 25.25ct
Size: 24.9 x 15.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 166.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 418657
Weight: 7.89ct
Size: 13.8 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 41.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 341688
Weight: 4.37ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 42.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 450375
Weight: 13.81ct
Size: 18.4 x 10.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,645.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 476854
Weight: 27.95ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 110.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 449872
Weight: 1.84ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 699025
Weight: 3.20ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 479668
Weight: 2.06ct (total)
Size: 10 x 5.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 21.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 648159
Weight: 31.10ct
Size: 28.6 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 518908
Weight: 4.72ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 559404
Weight: 1.81ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 37.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 676002
Weight: 3.90ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 695152
Weight: 2.48ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Price: $ 5.70
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 737118
Weight: 24.94ct
Size: 34.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 347680
Weight: 3.28ct
Size: 22.8 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 181.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 512159
Weight: 1.10ct
Size: 8.6 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 91.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 699838
Weight: 0.88ct
Size: 6 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 37.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 367100
Weight: 6.91ct
Size: 15.5 x 8.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 556208
Weight: 1.08ct
Size: 6.9 x 4.5 mm
Clarity: SI
Content: 1 pc
Price: $ 28.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 697439
Weight: 0.29ct
Size: 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 700540
Weight: 1.04ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 699540
Weight: 0.79ct
Size: 6.1 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 498094
Weight: 22.57ct (total)
Size: 18 x 12.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 30.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 662640
Weight: 2.14ct
Size: 8.3 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 51.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 346807
Weight: 1.44ct
Size: 20.7 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 664695
Weight: 2.20ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 519928
Weight: 1.57ct
Size: 7.8 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 31.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 688770
Weight: 1.12ct
Size: 11.9 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 494661
Weight: 2.34ct
Size: 7.9 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 543975
Weight: 2.11ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 42.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 465763
Weight: 4.18ct (total)
Size: 11.9 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 44.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 505888
Weight: 178.98ct
Size: 37 x 29.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 354.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 365509
Weight: 1.23ct
Size: 7 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 45.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 393642
Weight: 11.61ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 76.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 521203
Weight: 68.17ct
Size: 36.9 x 32.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 343.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 458007
Weight: 0.69ct
Size: 8.6 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 72.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 491954
Weight: 42.36ct
Size: 31.4 x 28.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 559067
Weight: 2.08ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 709843
Weight: 1.25ct (total)
Size: 10.1 x 4.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 10.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 426929
Weight: 8.63ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 682158
Weight: 7.31ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 688233
Weight: 0.32ct
Size: 4.8 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 21.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 409435
Weight: 11.00ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 52.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 521026
Weight: 29.23ct
Size: 33.8 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 771.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 396013
Weight: 10.02ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 517236
Weight: 9.67ct
Size: 15.7 x 15 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 560078
Weight: 1.92ct
Size: 8.5 x 6.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 431556
Weight: 2.96ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 31.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 532941
Weight: 2.46ct
Size: 9 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 46.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 643797
Weight: 0.86ct
Size: 6.4 x 5.4 mm
Clarity: VVS
Price: $ 7.22
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 727469
Weight: 0.23ct
Size: 3.9 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 9.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 400681
Weight: 3.82ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 648441
Weight: 1.17ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 11.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 602101
Weight: 0.65ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 620794
Weight: 2.01ct
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 737083
Weight: 6.46ct
Size: 14.8 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.11
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
317
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

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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 -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 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