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: 679201
Weight: 3.37ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 712343
Weight: 5.32ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 460398
Weight: 2.20ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 633488
Weight: 6.47ct
Size: 12.5 x 9.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 520371
Weight: 7.98ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 75.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 644444
Weight: 0.88ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 355535
Weight: 4.07ct (total)
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 193.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 715464
Weight: 4.13ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 691643
Weight: 17.99ct
Size: 26 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 485289
Weight: 6.24ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 32.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 672079
Weight: 1.60ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 555414
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 6.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 528211
Weight: 1.65ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 453516
Weight: 6.61ct
Size: 14.4 x 8.1 mm
Clarity: VS
Content: 1 pc
Price: $ 218.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 392233
Weight: 8.17ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 53.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 491675
Weight: 8.81ct (total)
Size: 7.3 x 7.2 mm
Clarity: Opaque
Content: 4 pcs
Price: $ 25.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 460922
Weight: 4.95ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 542610
Weight: 0.71ct
Size: 7.4 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 31.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 725456
Weight: 10.31ct
Size: 15 x 12 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 687568
Weight: 7.28ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 493024
Weight: 9.43ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 68.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 663737
Weight: 2.78ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 490979
Weight: 8.97ct (total)
Size: 8.5 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 26.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 695391
Weight: 30.59ct
Size: 32.5 x 22.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 376473
Weight: 2.06ct
Size: 7.8 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 517805
Weight: 1.75ct
Size: 8 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 742810
Weight: 2.30ct
Size: 10.1 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 322.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 678321
Weight: 6.96ct
Size: 23.3 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 511978
Weight: 6.38ct
Size: 12 mm (calibrated)
Clarity: VVS
Price: $ 9.18
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 411534
Weight: 0.74ct
Size: 5.7 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 745986
Weight: 2.36ct
Size: 8.5 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 76.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 656539
Weight: 1.64ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 621739
Weight: 2.85ct
Size: 9.1 x 7.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 501042
Weight: 5.42ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 50.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 410576
Weight: 1.84ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 687741
Weight: 5.71ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 505325
Weight: 2.18ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 383800
Weight: 1.33ct
Size: 16.9 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 461516
Weight: 1.19ct (total)
Size: 4.2 x 3.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 157.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 677857
Weight: 0.20ct
Size: 2.8 x 2.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 435930
Weight: 9.64ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 497191
Weight: 25.25ct
Size: 29.6 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 725551
Weight: 0.42ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 383808
Weight: 1.23ct
Size: 15.4 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 499562
Weight: 1.52ct (total)
Size: 5 x 3.1 mm
Clarity: VS-SI
Content: 4 pcs
Price: $ 40.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 245677
Weight: 0.78ct
Size: 5.8 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 87.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 745509
Weight: 4.61ct
Size: 10.6 x 7.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 230.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 709328
Weight: 1.44ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 710611
Weight: 6.23ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 712839
Weight: 1.53ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 480865
Weight: 3.16ct (total)
Size: 4.3 x 4.1 mm
Clarity: Translucent
Content: 8 pcs
Price: $ 26.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 478143
Weight: 30.57ct
Size: 31.3 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 726019
Weight: 0.63ct
Size: 5.9 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 691448
Weight: 0.55ct
Size: 4.9 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 725609
Weight: 0.83ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 338905
Weight: 4.11ct
Size: 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 431303
Weight: 1.57ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 491093
Weight: 12.60ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 12.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 499245
Weight: 1.80ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 631709
Weight: 9.29ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 111.48
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
416
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

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

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

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

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 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

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
Enlarged Gemstone Image