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: 634758
Weight: 21.28ct
Size: 24.6 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 672707
Weight: 22.76ct
Size: 24.9 x 18.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 684512
Weight: 25.02ct
Size: 26.1 x 21.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 365347
Weight: 1.56ct
Size: 7.7 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 174.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 606956
Weight: 2.68ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 491957
Weight: 64.23ct
Size: 39.3 x 31.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 113.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 673584
Weight: 0.09ct (total)
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 49.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 722779
Weight: 1.27ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 38.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 727895
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 694382
Weight: 25.05ct
Size: 29.5 x 19.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 245571
Weight: 4.63ct
Size: 9.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 479404
Weight: 2.01ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 453391
Weight: 1.60ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 730030
Weight: 0.26ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 12.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 730760
Weight: 13.05ct
Size: 21.7 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 600548
Weight: 3.11ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 519992
Weight: 39.54ct
Size: 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 619358
Weight: 10.26ct
Size: 19.7 x 12.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 707741
Weight: 4.40ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 660182
Weight: 1.73ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 439756
Weight: 3.90ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 644763
Weight: 13.27ct
Size: 13.7 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 621030
Weight: 3.43ct (total)
Size: 12.2 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 31.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 529081
Weight: 1.73ct
Size: 8.6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 416368
Weight: 1.21ct
Size: 14.7 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 279898
Weight: 2.16ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 142.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 745981
Weight: 2.58ct
Size: 9.2 x 7.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 83.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 721810
Weight: 11.55ct
Size: 21.8 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 473996
Weight: 1.42ct
Size: 7.9 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 743197
Weight: 1.80ct
Size: 9.2 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 252.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 496499
Weight: 2.27ct
Size: 9 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 47.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 603167
Weight: 2.44ct
Size: 9.1 x 7.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 546.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 727458
Weight: 0.84ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 529162
Weight: 1.81ct
Size: 11.4 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 157.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 349001
Weight: 2.14ct
Size: 24.5 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 70.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 727862
Weight: 2.30ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 388703
Weight: 1.06ct
Size: 6.9 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 68.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 723720
Weight: 1.15ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 658415
Weight: 10.88ct
Size: 24.8 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 490308
Weight: 1.32ct
Size: 6.6 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 125.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 682447
Weight: 4.25ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 322682
Weight: 22.83ct
Size: 20.4 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 499996
Weight: 2.00ct (total)
Size: 2.1 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 13.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 645370
Weight: 15.51ct
Size: 17.6 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 692453
Weight: 13.46ct
Size: 16 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 113.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 628029
Weight: 7.17ct
Size: 22.5 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 715780
Weight: 3.58ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 34.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 600275
Weight: 49.20ct
Size: 34.7 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 684615
Weight: 20.56ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 88.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 346420
Weight: 1.54ct (total)
Size: 2.2 x 2.2 mm
Clarity: VVS-VS
Content: 20 pcs
Price: $ 172.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 656195
Weight: 1.34ct
Size: 8.4 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 519135
Weight: 1.95ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 180.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 394872
Weight: 3.14ct (total)
Size: 7.7 x 5.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 57.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 503444
Weight: 2.96ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 27.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 684362
Weight: 2.04ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 2.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 450976
Weight: 1.54ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 612222
Weight: 9.89ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 78.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 498891
Weight: 1.80ct (total)
Size: 5.1 x 4.2 mm
Clarity: VS-SI
Content: 4 pcs
Price: $ 237.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 711796
Weight: 1.38ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 701026
Weight: 26.16ct
Size: 26.6 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.12
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
66
Choose Page
1 - 773

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

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

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 -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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 -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 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
Enlarged Gemstone Image