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: 414626
Weight: 11.33ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 249.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 608483
Weight: 7.14ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 131.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 630778
Weight: 15.01ct
Size: 19.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 472929
Weight: 30.47ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 565164
Weight: 0.14ct (total)
Size: 2.7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 306.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 346056
Weight: 34.48ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 165.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 670137
Weight: 9.72ct
Size: 16.4 x 10.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 167.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 597459
Weight: 2.36ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 155.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 602284
Weight: 2.72ct
Size: 8.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 89.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 635824
Weight: 5.39ct
Size: 11.6 x 8.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 608170
Weight: 5.26ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 97.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 669278
Weight: 25.93ct (total)
Size: 21.8 x 10.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 560.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 685659
Weight: 0.51ct (total)
Size: 3.3 x 2.9 mm
Clarity: VVS
Content: 5 pcs
Price: $ 2,503.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 527917
Weight: 4.14ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 385931
Weight: 8.03ct
Size: 17 x 11 mm
Clarity: VS
Content: 1 pc
Price: $ 510.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 512017
Weight: 21.49ct
Size: 26.8 x 15.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 670191
Weight: 9.05ct
Size: 12.6 x 11.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 130.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 645626
Weight: 23.76ct
Size: 19.2 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 664120
Weight: 3.38ct
Size: 10 x 8.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 218146
Weight: 0.74ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 97.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 415400
Weight: 1.18ct
Size: 5.8 x 5.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 934.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 558485
Weight: 2.25ct (total)
Size: 7 x 4.7 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 8.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 651041
Weight: 9.90ct
Size: 18.4 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 657908
Weight: 1.42ct
Size: 6.5 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 693806
Weight: 23.10ct
Size: 22.5 x 10.8 mm
Clarity: VS
Content: 1 pc
Price: $ 765.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 616877
Weight: 1.05ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 76.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 344366
Weight: 49.00ct
Size: 27 x 20 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 72.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 659949
Weight: 14.30ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 568868
Weight: 14.98ct
Size: 17.5 x 14.6 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 810.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 401455
Weight: 30.74ct
Size: 25 x 18.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 60.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 666919
Weight: 89.04ct (total)
Size: 40.8 x 20.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 1,335.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 682427
Weight: 14.24ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 71.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 505435
Weight: 6.50ct
Size: 12 mm (calibrated)
Clarity: Opaque
Price: $ 89.48
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 512416
Weight: avg. 9.59 ct / each
Size: 14 mm (calibrated)
Clarity: VVS-VS
Price: $ 63.31
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 619404
Weight: 7.84ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 461852
Weight: 41.49ct
Size: 27.3 x 23.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 637207
Weight: 8.44ct
Size: 21.5 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 491713
Weight: 83.94ct (total)
Size: 23 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 98.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 599541
Weight: 9.76ct
Size: 18.9 x 13 mm
Clarity: VS
Content: 1 pc
Price: $ 32.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 467956
Weight: 1.56ct
Size: 7.9 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 92.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 694277
Weight: 1.20ct
Size: 6.9 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 447882
Weight: 33.78ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 133.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 522212
Weight: 57.58ct
Size: 44.5 x 28.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 390451
Weight: 1.19ct
Size: 9 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 49.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 402478
Weight: 11.13ct
Size: 21.8 x 12 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 543902
Weight: 0.17ct
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 369.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 485151
Weight: 10.37ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 54.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 694391
Weight: 40.65ct
Size: 25.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 602278
Weight: 2.53ct
Size: 8 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 83.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 693202
Weight: 25.40ct
Size: 34.4 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 450374
Weight: 13.54ct
Size: 19.3 x 9.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 4,468.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 390806
Weight: 2.14ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 138.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 485888
Weight: 5.92ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 485326
Weight: 7.28ct
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 455831
Weight: 9.92ct
Size: 17.7 x 14.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 691363
Weight: 2.27ct
Size: 7.5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 136.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 567740
Weight: 6.99ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 393319
Weight: 14.53ct
Size: 15 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 95.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 691509
Weight: 7.24ct
Size: 13 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 665.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 483677
Weight: 1.55ct
Size: 6.6 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 133.00
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
9
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

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate
Enlarged Gemstone Image