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: 325998
Weight: 1.84ct
Size: 8.1 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 718106
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 367735
Weight: 4.28ct
Size: 13.2 x 7.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 645189
Weight: 2.12ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 648736
Weight: 26.78ct
Size: 27.1 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 627865
Weight: 1.51ct
Size: 7.8 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 555327
Weight: 0.72ct
Size: 6.9 x 4.6 mm
Clarity: SI
Content: 1 pc
Price: $ 19.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 517065
Weight: 38.37ct
Size: 23.3 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 658249
Weight: 15.95ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 456693
Weight: 1.63ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 736683
Weight: 8.10ct
Size: 15.1 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 548381
Weight: 13.13ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 49.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 534164
Weight: 1.77ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 474526
Weight: 2.44ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 80.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 445975
Weight: 4.90ct
Size: 13.7 x 10.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 348357
Weight: 24.58ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 129.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 391509
Weight: 8.74ct
Size: 21.8 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 138.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 650424
Weight: 30.49ct
Size: 31.6 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 485343
Weight: 7.84ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 20.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 695383
Weight: 27.23ct
Size: 27.3 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 517056
Weight: 24.18ct
Size: 28.3 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 490369
Weight: 5.83ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 492184
Weight: 5.12ct
Size: 14.3 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 297887
Weight: 2.87ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 98.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 451788
Weight: 3.57ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 31.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 743053
Weight: 1.58ct
Size: 7.7 x 6.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 66.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 384254
Weight: 1.39ct
Size: 13.9 x 3.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 555844
Weight: 0.78ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 6.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 456288
Weight: 3.81ct (total)
Size: 6.4 x 6.2 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 35.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 627474
Weight: 0.90ct
Size: 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 712485
Weight: 1.79ct
Size: 8.6 x 6.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 4.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 692141
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 36.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 704598
Weight: 2.18ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 54.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 435035
Weight: 62.41ct
Size: 38.6 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 123.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 718587
Weight: 5.83ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Price: $ 26.23
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 632296
Weight: 5.88ct (total)
Size: 18.2 x 7.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 42.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 691084
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 88.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 683366
Weight: 5.06ct
Size: 10.9 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 723268
Weight: 1.86ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 718554
Weight: 16.59ct
Size: 29.3 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 563864
Weight: 2.97ct
Size: 10 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 19.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 456570
Weight: 1.79ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 489139
Weight: 2.70ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 53.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 554867
Weight: 1.09ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 318555
Weight: 3.30ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 159.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 688227
Weight: 0.21ct
Size: 3.4 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 13.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 735195
Weight: 2.31ct
Size: 8.2 x 6.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 92.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 634908
Weight: 7.08ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 328841
Weight: 24.85ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 636912
Weight: 0.85ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 733765
Weight: 6.43ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 58.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 731024
Weight: 15.87ct (total)
Size: 20.5 x 12.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 447353
Weight: 38.64ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 662702
Weight: 1.45ct
Size: 7.8 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 548018
Weight: 1.64ct
Size: 6.3 x 6.1 mm
Clarity: SI
Content: 1 pc
Price: $ 33.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 643661
Weight: 1.89ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 712303
Weight: 4.84ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 387772
Weight: 2.91ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 325945
Weight: 3.34ct
Size: 10.5 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 558082
Weight: 3.69ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.90
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
147
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 -> 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

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 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 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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate
Enlarged Gemstone Image