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: 567681
Weight: 1.39ct
Size: 5.4 x 5.4 mm
Clarity: SI
Content: 1 pc
Price: $ 31.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 206359
Weight: 3.75ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 222.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 348966
Weight: 2.37ct
Size: 15.7 x 4.6 mm
Clarity: SI
Content: 1 pc
Price: $ 78.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 370698
Weight: 15.53ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 632003
Weight: 11.52ct
Size: 19.6 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 315638
Weight: 6.60ct (total)
Size: 10.9 x 7.6 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 24.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 588570
Weight: 6.71ct
Size: 15.1 x 1.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 430515
Weight: 2.50ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 481925
Weight: 1.20ct
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 505430
Weight: 6.79ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 93.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 679247
Weight: 13.03ct
Size: 22.4 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 558040
Weight: 1.11ct
Size: 6.6 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 73.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 716366
Weight: 1.52ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 194570
Weight: 35.14ct
Size: 27.1 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 366361
Weight: 1.07ct
Size: 7.3 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 520630
Weight: 1.43ct
Size: 10 x 5 mm
Clarity: VS-SI
Price: $ 79.28
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 683580
Weight: 7.26ct
Size: 12.9 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 497754
Weight: 3.36ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 23.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 606558
Weight: 66.56ct
Size: 32.9 x 27.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 686706
Weight: 2.47ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 2.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 707179
Weight: 1.77ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 532427
Weight: 4.68ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 426710
Weight: 7.11ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 32.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 725636
Weight: 0.81ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 534753
Weight: 1.64ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 12.98
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 726860
Weight: 0.55ct
Size: 5.1 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 729948
Weight: 35.81ct
Size: 31.1 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 548084
Weight: 2.58ct
Size: 11.5 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 603880
Weight: 33.38ct
Size: 34.6 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 664620
Weight: 2.60ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 56.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 450946
Weight: 2.53ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 23.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 662138
Weight: 6.62ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 704851
Weight: 1.57ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 47.10
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: 501262
Weight: 6.25ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 57.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 391179
Weight: 41.46ct (total)
Size: 37.1 x 19 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 39.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 664035
Weight: 1.92ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 41.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 679217
Weight: 18.42ct
Size: 22.4 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 110.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 413463
Weight: 3.14ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 20.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 688005
Weight: 0.91ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 739562
Weight: 0.50ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 631632
Weight: 1.18ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 618797
Weight: 9.48ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 47.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 725844
Weight: 0.72ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 6.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 464418
Weight: 3.36ct (total)
Size: 4 x 3.8 mm
Clarity: VS
Content: 10 pcs
Price: $ 31.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 650575
Weight: 3.72ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 31.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 736694
Weight: 1.51ct
Size: 8.7 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 640588
Weight: 1.09ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 737615
Weight: 6.98ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 734704
Weight: 3.44ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 144.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 418896
Weight: 4.94ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 656537
Weight: 1.51ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 25.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 585533
Weight: 39.04ct
Size: 31.2 x 29.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 743187
Weight: 1.18ct
Size: 6.4 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 141.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 662164
Weight: 7.50ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 664268
Weight: 1.57ct
Size: 9.3 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 454490
Weight: 0.81ct
Size: 9.8 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 34.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 712520
Weight: 3.76ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 413710
Weight: 11.28ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 372.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 673563
Weight: 13.57ct
Size: 21.8 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 244.26
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
246
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

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 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

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

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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

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 -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

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