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: 464349
Weight: 3.38ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 31.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 333329
Weight: 11.71ct
Size: 21.7 x 10.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 170.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 433557
Weight: 4.82ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 31.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 712248
Weight: 1.33ct
Size: 7.4 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 31.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 475857
Weight: 24.13ct
Size: 29.4 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 423564
Weight: 5.60ct (total)
Size: 5.2 x 5.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 59.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 406684
Weight: 9.55ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 638874
Weight: 1.32ct
Size: 7.3 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 550499
Weight: 4.99ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 46.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 558245
Weight: 7.14ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 54.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 707168
Weight: 5.32ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 493287
Weight: 3.32ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 400075
Weight: 6.70ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 20.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 720401
Weight: 1.03ct
Size: 9.4 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 99.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 533950
Weight: 2.20ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 684609
Weight: 11.48ct
Size: 18.9 x 13.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 363830
Weight: 20.05ct
Size: 29.8 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 499180
Weight: 1.81ct
Size: 10 x 5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 358.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 737508
Weight: 0.74ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 672599
Weight: 7.77ct (total)
Size: 19.2 x 9.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 21.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 689103
Weight: 0.08ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 46.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 672053
Weight: 2.13ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 51.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 397293
Weight: 6.19ct
Size: 11.5 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 551370
Weight: 1.28ct
Size: 7.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 479319
Weight: 2.57ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 493432
Weight: 1.72ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 544003
Weight: 0.93ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 370059
Weight: 1.37ct
Size: 16.1 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 35.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 660630
Weight: 20.22ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 431722
Weight: 2.40ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 25.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 312900
Weight: 2.48ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 10 pcs
Price: $ 147.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 656158
Weight: 1.22ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 553007
Weight: 7.06ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 37.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 481450
Weight: 4.30ct (total)
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 123.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 643702
Weight: 5.23ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 482406
Weight: 41.63ct
Size: 38.6 x 31.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 677996
Weight: 21.94ct
Size: 32.7 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 446024
Weight: 6.30ct
Size: 15.1 x 10.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 716435
Weight: 25.41ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 243.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 710153
Weight: 3.06ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 694249
Weight: 0.86ct
Size: 8.7 x 3.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 25.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 479534
Weight: 2.01ct (total)
Size: 9.9 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 475318
Weight: 1.53ct
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 502944
Weight: 2.55ct
Size: 15.9 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 84.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 391228
Weight: 0.77ct
Size: 6.6 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 45.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 534131
Weight: 2.00ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 489355
Weight: 3.12ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 61.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 534185
Weight: 2.58ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 520667
Weight: 0.92ct
Size: 8.8 x 4.6 mm
Clarity: VS
Price: $ 51.00
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 420139
Weight: 37.66ct
Size: 28.8 x 21.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 74.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 710355
Weight: 0.73ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 544304
Weight: 0.80ct
Size: 6.4 x 4.4 mm
Clarity: SI
Content: 1 pc
Price: $ 21.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 470425
Weight: 6.53ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 594088
Weight: 1.26ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 740706
Weight: 1.28ct
Size: 7.5 x 6.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 371.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 737353
Weight: 4.04ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 181.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 698485
Weight: 2.98ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 484047
Weight: 51.87ct
Size: 36.7 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 731013
Weight: 19.01ct (total)
Size: 26.3 x 13.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 658460
Weight: 7.96ct
Size: 15.3 x 12.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 66.86
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
494
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

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 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

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

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

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate
Enlarged Gemstone Image