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: 694684
Weight: 0.32ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 401917
Weight: 0.90ct
Size: 6.4 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 101.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 739008
Weight: 0.36ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 18.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 163920
Weight: 50.54ct
Size: 34.3 x 26.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 635854
Weight: 3.27ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 86.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 504813
Weight: 10.63ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 98.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 578054
Weight: 18.03ct
Size: 24.1 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 746651
Weight: 0.91ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 706926
Weight: 2.37ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 362495
Weight: 2.65ct
Size: 25.9 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 79.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 687409
Weight: 10.50ct
Size: 20.2 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 673736
Weight: 8.44ct
Size: 15 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 151.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 673662
Weight: 17.70ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 275.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 497210
Weight: 37.79ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 726869
Weight: 0.75ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 715785
Weight: 3.04ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 29.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 639288
Weight: 1.81ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 45.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 577336
Weight: 8.30ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 63.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 540027
Weight: 0.80ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 477535
Weight: 1.77ct (total)
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 49.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 447580
Weight: 2.30ct
Size: 8 x 6.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 99.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 656580
Weight: 2.16ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 562887
Weight: 3.93ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 743659
Weight: 4.87ct
Size: 10.9 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 453865
Weight: 3.76ct
Size: 13.9 x 7.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 691072
Weight: 0.79ct
Size: 5.5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 47.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 435318
Weight: 6.04ct
Size: 15.2 x 11 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 717128
Weight: 0.69ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 605914
Weight: 17.76ct (total)
Size: 20.6 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 27.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 400741
Weight: 3.97ct
Size: 9.3 x 9.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 659463
Weight: 11.97ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 523057
Weight: 48.51ct
Size: 30 x 22 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 95.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 712646
Weight: 2.68ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 428550
Weight: 3.76ct
Size: 12.7 x 9.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 24.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 497553
Weight: 1.81ct
Size: 8.1 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 47.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 728376
Weight: 51.05ct
Size: 29.7 x 28.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 104.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 484720
Weight: 2.09ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 717958
Weight: 0.87ct
Size: 5.9 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 585517
Weight: 0.83ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 465788
Weight: 1.84ct
Size: 11.9 x 6.1 mm
Clarity: VS
Price: $ 19.43
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 743410
Weight: 2.40ct
Size: 12 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 108.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 685146
Weight: 0.48ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Price: $ 20.16
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 745422
Weight: 16.27ct
Size: 20 x 15 mm (calibrated)
Clarity: IF
Content: 1 pc
Price: $ 130.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 726818
Weight: 0.64ct
Size: 7.3 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 434046
Weight: 29.28ct
Size: 29 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 485889
Weight: 6.92ct
Size: 13.5 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 58.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 708244
Weight: 2.13ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 43.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 680788
Weight: 0.95ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 28.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 721930
Weight: 8.66ct
Size: 11.5 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 666848
Weight: 3.50ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 59.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 715488
Weight: 5.73ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 55.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 525354
Weight: 1.61ct
Size: 7.1 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 297.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 670188
Weight: 7.09ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 122.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 639738
Weight: 0.42ct
Size: 5.3 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 43.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 556711
Weight: 2.87ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 457943
Weight: 0.65ct
Size: 6.9 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 68.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 695837
Weight: 0.43ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 644872
Weight: 3.52ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 720529
Weight: 1.47ct
Size: 7.2 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 141.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 708252
Weight: 1.92ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.65
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
280
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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

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 really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 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

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate
Enlarged Gemstone Image