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: 500456
Weight: 1.78ct (total)
Size: 5.9 x 5.7 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 546874
Weight: 3.30ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 693427
Weight: 6.17ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 204.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 500207
Weight: 3.22ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 8 pcs
Price: $ 29.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 561935
Weight: 1.85ct (total)
Size: 7.2 x 5.3 mm
Clarity: VS
Content: 2 pcs
Price: $ 14.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 358248
Weight: 1.98ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 52.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 723828
Weight: 1.23ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 694815
Weight: 3.02ct
Size: 7.8 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 90.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 712797
Weight: 11.07ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 29.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 610323
Weight: 5.65ct
Size: 22 x 9 mm
Clarity: Transparent
Price: $ 7.46
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 606560
Weight: 4.47ct
Size: 12.6 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 631648
Weight: 4.71ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 56.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 479557
Weight: 2.46ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 425689
Weight: 2.09ct
Size: 8.2 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 95.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 708080
Weight: 2.99ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 662742
Weight: 2.64ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 63.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 470040
Weight: 23.54ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 636433
Weight: 1.49ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 710220
Weight: 2.62ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 454534
Weight: 0.62ct
Size: 5.8 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 26.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 423345
Weight: 5.40ct (total)
Size: 5.2 x 5.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 57.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 680731
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 27.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 422827
Weight: 0.82ct
Size: 6.6 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 704625
Weight: 1.23ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 707125
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 585104
Weight: 4.44ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 29.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 483838
Weight: 23.26ct
Size: 20 mm (calibrated)
Clarity: Opaque
Price: $ 34.08
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 533514
Weight: 1.65ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 13.14
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 683009
Weight: 6.68ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 717954
Weight: 1.04ct
Size: 5.9 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 453887
Weight: 3.77ct
Size: 12.9 x 9.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 679202
Weight: 2.86ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 714846
Weight: 19.23ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 491586
Weight: 19.31ct (total)
Size: 18.1 x 9.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 22.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 465980
Weight: 8.95ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 474319
Weight: 3.63ct
Size: 14.8 x 11.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 47.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 454409
Weight: 0.82ct
Size: 11 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 693266
Weight: 49.81ct
Size: 48.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 409940
Weight: 4.97ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 389200
Weight: 7.00ct (total)
Size: 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 40.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 713790
Weight: 1.01ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 389161
Weight: 1.78ct
Size: 8.9 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 117.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 716050
Weight: 1.57ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 475470
Weight: 25.64ct
Size: 19.3 x 16.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 33.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 526126
Weight: 6.35ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 59.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 479843
Weight: 3.76ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 460686
Weight: 1.11ct (total)
Size: 8 x 3.4 mm
Clarity: VVS-VS
Content: 3 pcs
Price: $ 146.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 449632
Weight: 4.26ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 726813
Weight: 0.66ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 344684
Weight: 87.70ct
Size: 31 x 27.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 173.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 674910
Weight: 17.02ct
Size: 22.6 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 687821
Weight: 7.28ct
Size: 18.9 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 676329
Weight: 5.31ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 710358
Weight: 1.50ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 512792
Weight: 1.80ct
Size: 8 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 38.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 442959
Weight: 3.83ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 10.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 720548
Weight: 0.98ct
Size: 6.1 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 94.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 712830
Weight: 16.99ct
Size: 21.2 x 16.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 142.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 662817
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 711842
Weight: 16.78ct
Size: 19.4 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.42
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
384
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

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

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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 -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate
Enlarged Gemstone Image