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: 487410
Weight: 39.45ct
Size: 33.7 x 30.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 447888
Weight: 29.98ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 118.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 410270
Weight: 4.26ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 28.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 595200
Weight: 3.09ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 81.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 392147
Weight: 4.91ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 129.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 705191
Weight: 22.11ct
Size: 20 x 15 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 58.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 737524
Weight: 2.27ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 102.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 363694
Weight: 29.06ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 621911
Weight: 1.79ct
Size: 6.6 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 683190
Weight: 4.87ct
Size: 13.4 x 8.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 678386
Weight: 3.32ct
Size: 21 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 713400
Weight: 1.19ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 604844
Weight: 3.77ct
Size: 12 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 49.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 659867
Weight: 2.28ct
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 726855
Weight: 0.57ct
Size: 5 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 23.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 725872
Weight: 0.60ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 5.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 439160
Weight: 1.91ct
Size: 7.5 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 118.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 718252
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 722117
Weight: 0.54ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 720998
Weight: 0.48ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 694483
Weight: 28.57ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 462062
Weight: 7.48ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 89.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 700051
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 727388
Weight: 0.52ct
Size: 7.2 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 730108
Weight: 0.88ct
Size: 7.7 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 570231
Weight: 2.89ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 730428
Weight: 1.52ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 255.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 494860
Weight: 29.81ct
Size: 27 x 20 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 649906
Weight: 0.83ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 6.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 449976
Weight: 1.58ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 312023
Weight: 3.74ct (total)
Size: 3.2 x 3.2 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 83.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 525276
Weight: 1.48ct
Size: 6.9 x 6.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 248.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 706736
Weight: 29.21ct
Size: 26.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 711635
Weight: 16.38ct
Size: 21.2 x 16 mm
Clarity: VVS
Content: 1 pc
Price: $ 137.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 521332
Weight: 8.71ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 229.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 367008
Weight: 8.18ct
Size: 16 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 46.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 709351
Weight: 1.83ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 32.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 715714
Weight: 1.51ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 96.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 655289
Weight: 7.10ct
Size: 20 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 59.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 393580
Weight: 2.40ct (total)
Size: 4 x 2 mm
Clarity: VS
Content: 15 pcs
Price: $ 174.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 647280
Weight: 1.78ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 55.54
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 529265
Weight: 1.62ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 436352
Weight: 2.16ct (total)
Size: 4.2 mm
Clarity: VS
Content: 4 pcs
Price: $ 85.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 346069
Weight: 15.35ct
Size: 16.8 x 13.8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 26.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 705328
Weight: 2.60ct
Size: 8.9 x 6.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 550818
Weight: 1.26ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 456554
Weight: 2.31ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 538009
Weight: 0.92ct
Size: 7.5 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 83.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 572337
Weight: 1.19ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 37.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 361971
Weight: 16.19ct
Size: 20 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 42.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 430228
Weight: 2.44ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 389772
Weight: 1.50ct
Size: 7.2 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 577716
Weight: 8.87ct
Size: 15.8 x 9.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 74.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 447856
Weight: 24.96ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 98.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 723765
Weight: 1.69ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 479402
Weight: 2.12ct (total)
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 706468
Weight: 7.01ct
Size: 12.4 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 401145
Weight: 25.76ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 482185
Weight: 2.20ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 636879
Weight: 1.52ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.43
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
470
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 -> 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 -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK 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

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

Awesome

Posted By D in December, 2024
Source: Bizrate
Enlarged Gemstone Image