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: 463908
Weight: 4.84ct
Size: 11.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 461983
Weight: 7.67ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 91.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 390795
Weight: 1.71ct
Size: 16.7 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 655778
Weight: 8.41ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 721417
Weight: 0.64ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 482210
Weight: 26.83ct (total)
Size: 20.4 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 744091
Weight: 9.41ct
Size: 16.5 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 282.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 705837
Weight: 1.14ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 392329
Weight: 7.55ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 49.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 645891
Weight: 7.70ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 392180
Weight: 15.10ct
Size: 16 x 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 99.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 725307
Weight: 6.25ct
Size: 11.7 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 420006
Weight: 9.73ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 486526
Weight: 50.81ct
Size: 44.1 x 26.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 414692
Weight: 7.35ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 48.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 724982
Weight: 0.77ct
Size: 9.7 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 660195
Weight: 19.40ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 677825
Weight: 0.14ct (total)
Size: 2.2 x 2.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 84.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 420840
Weight: 6.64ct
Size: 11.6 x 9.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 725293
Weight: 9.16ct
Size: 13.3 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 479252
Weight: 2.69ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 454346
Weight: 0.99ct
Size: 6.2 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 448269
Weight: 1.62ct
Size: 7.5 mm (calibrated)
Clarity: VVS-VS
Price: $ 8.56
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 479255
Weight: 2.43ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 493808
Weight: 4.14ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 361974
Weight: 19.21ct
Size: 17.6 x 15.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 50.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 672070
Weight: 11.55ct
Size: 15.6 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 451004
Weight: 2.63ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 24.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 697471
Weight: 0.64ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 708044
Weight: 5.47ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 692158
Weight: 1.00ct
Size: 6.1 x 4.8 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 60.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 711711
Weight: 19.92ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 53.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 520559
Weight: 9.66ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 89.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 376667
Weight: 2.05ct
Size: 8 x 6.8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 15.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 533864
Weight: 2.90ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 744778
Weight: 11.66ct
Size: 16.8 x 12 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 519886
Weight: 2.00ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 44.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 732598
Weight: 0.49ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 353787
Weight: 4.74ct (total)
Size: 5.1 x 4.1 mm
Clarity: VS
Content: 10 pcs
Price: $ 50.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 686211
Weight: 2.66ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 635647
Weight: 1.25ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 737131
Weight: 2.30ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 103.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 672179
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 442934
Weight: 3.52ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 456337
Weight: 4.43ct
Size: 12.9 x 8.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 708642
Weight: 1.89ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 683004
Weight: 6.75ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 456170
Weight: 2.22ct
Size: 11.8 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 20.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 394199
Weight: 25.00ct
Size: 32.9 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 715791
Weight: 0.55ct
Size: 6.7 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 34.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 705798
Weight: 0.74ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 6.22
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 719313
Weight: 0.69ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 5.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 459719
Weight: 5.04ct
Size: 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 730214
Weight: 0.87ct
Size: 8.4 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 691168
Weight: 0.53ct
Size: 4.7 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 484050
Weight: 37.17ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 73.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 715790
Weight: 0.80ct
Size: 9.3 x 3.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 50.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 450150
Weight: 26.03ct (total)
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 68.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 482229
Weight: 2.29ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 700479
Weight: 0.26ct
Size: 3.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 15.60
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
608
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 -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 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

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate
Enlarged Gemstone Image