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: 349470
Weight: 1.04ct
Size: 6.6 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 144.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 384148
Weight: 6.90ct
Size: 17.5 x 9.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 418430
Weight: 8.66ct
Size: 16.6 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 699789
Weight: 39.36ct
Size: 32.5 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 481212
Weight: 22.57ct
Size: 34.1 x 15.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 386254
Weight: 4.41ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 706768
Weight: 4.81ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 398321
Weight: 3.40ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 484800
Weight: 25.86ct
Size: 29.4 x 17.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 685595
Weight: 0.07ct (total)
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 418359
Weight: 8.30ct
Size: 15.6 x 11.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 389713
Weight: 3.94ct (total)
Size: 9 x 7.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 26.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 728139
Weight: 1.57ct
Size: 7.3 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 712159
Weight: 2.44ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 454413
Weight: 0.91ct
Size: 11.4 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 730133
Weight: 12.36ct
Size: 16.9 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 514088
Weight: 6.45ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 60.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 550749
Weight: 1.31ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 546888
Weight: 3.06ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 548970
Weight: 2.50ct
Size: 10.6 x 8.3 mm
Clarity: VS
Content: 1 pc
Price: $ 16.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 609979
Weight: 13.20ct (total)
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 725588
Weight: 0.90ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 8.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 573242
Weight: 1.14ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 30.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 398053
Weight: 1.43ct
Size: 19.6 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 41.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 518614
Weight: 2.01ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 744665
Weight: 3.31ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 148.95
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: 701020
Weight: 0.85ct
Size: 5.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 51.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 466306
Weight: 5.72ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 211.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 439869
Weight: 0.80ct
Size: 6.7 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 713716
Weight: 1.05ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 714768
Weight: 0.48ct
Size: 6.3 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 25.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 494022
Weight: 6.14ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 484694
Weight: 2.24ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 682340
Weight: 9.87ct
Size: 21.7 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 687966
Weight: 2.78ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 598627
Weight: 1.71ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 503439
Weight: 2.54ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 23.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 550829
Weight: 1.13ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 8.50
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 384481
Weight: 15.79ct
Size: 21.1 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 656280
Weight: 0.78ct
Size: 6.1 x 5.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 1.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 719931
Weight: 3.49ct
Size: 8.2 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 104.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 385927
Weight: 7.34ct
Size: 14.7 x 11.6 mm
Clarity: VS
Content: 1 pc
Price: $ 467.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 715821
Weight: 1.39ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 715824
Weight: 3.14ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 451056
Weight: 1.40ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 466309
Weight: 5.75ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 202.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 656181
Weight: 3.48ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 687127
Weight: 2.15ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 609447
Weight: 19.86ct
Size: 28.6 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 725720
Weight: 1.69ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 418374
Weight: 5.37ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 365384
Weight: 2.15ct
Size: 8.4 x 6.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 63.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 388791
Weight: 1.25ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 80.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 728014
Weight: 2.34ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 552517
Weight: 5.85ct
Size: 16.2 x 10.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 711020
Weight: 20.03ct
Size: 18.3 x 14.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 168.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 650092
Weight: 1.33ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Price: $ 11.17
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 585379
Weight: 15.40ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 145.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 718581
Weight: 5.42ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.40
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
476
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

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 did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate
Enlarged Gemstone Image