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
  • Actual Product Photos
  • Reliable Quality
  • Full Transparency
  • Large Selection
  • Affordable Prices
  • Fast, Secure Global Shipping
ID: 549171
Weight: 3.71ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 634966
Weight: 5.41ct
Size: 14.9 x 10.9 mm
Clarity: VS
Content: 1 pc
Price: $ 45.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 719928
Weight: 0.71ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 5.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 411534
Weight: 0.74ct
Size: 5.7 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 490737
Weight: 4.85ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 390893
Weight: 3.98ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 131.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 728213
Weight: 2.83ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 672018
Weight: 0.99ct
Size: 6.4 x 4.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 725181
Weight: 11.01ct
Size: 12.7 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 645469
Weight: 23.49ct
Size: 28.2 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 675892
Weight: 1.81ct
Size: 17.3 x 6.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 472449
Weight: 8.41ct
Size: 14.6 x 11.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 77.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 735198
Weight: 4.38ct (total)
Size: 8.7 x 6.5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 210.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 487916
Weight: 22.94ct
Size: 26.2 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 730815
Weight: 13.14ct (total)
Size: 18.6 x 12.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 683147
Weight: 0.23ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 131.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 532188
Weight: 2.06ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Price: $ 16.32
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 681800
Weight: 13.19ct
Size: 19.9 x 11.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 126.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 473872
Weight: 0.87ct
Size: 10.1 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 63.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 526549
Weight: 3.82ct
Size: 8.4 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 466232
Weight: 3.67ct (total)
Size: 12.1 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 433706
Weight: 4.93ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 32.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 549018
Weight: 1.21ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 485297
Weight: 9.90ct
Size: 19 x 18.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 407980
Weight: 11.95ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 28.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 479624
Weight: 2.47ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 701036
Weight: 35.21ct
Size: 29 x 18.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 503807
Weight: 3.55ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 498108
Weight: 26.36ct (total)
Size: 19.9 x 14.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 36.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 625253
Weight: 0.93ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 712889
Weight: 3.88ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 383775
Weight: 1.45ct
Size: 7.5 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 73.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 543510
Weight: 0.70ct
Size: 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 18.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 341500
Weight: 5.20ct (total)
Size: 3.6 x 3.6 mm
Clarity: VS
Content: 20 pcs
Price: $ 45.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 371743
Weight: 4.97ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 32.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 699790
Weight: 39.36ct
Size: 32.6 x 21.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 643809
Weight: 2.15ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 712311
Weight: 7.22ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 19.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 689335
Weight: 1.41ct (total)
Size: 7.2 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 540928
Weight: 3.80ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 708266
Weight: 1.67ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 490499
Weight: 4.51ct (total)
Size: 6 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 53.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 732458
Weight: 18.33ct
Size: 16.5 x 14.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 659.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 540344
Weight: 4.27ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 672004
Weight: 10.09ct (total)
Size: 19.8 x 12.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 28.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 622325
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 689606
Weight: 2.02ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 60.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 704703
Weight: 37.21ct
Size: 42.1 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 493910
Weight: 2.43ct (total)
Size: 6 x 3 mm
Clarity: VS
Content: 10 pcs
Price: $ 19.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 486227
Weight: 6.52ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 54.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 365376
Weight: 3.09ct (total)
Size: 7.7 x 5.6 mm
Clarity: VVS
Content: 2 pcs
Price: $ 90.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 426507
Weight: 8.68ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 40.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 480927
Weight: 3.60ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 33.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 490506
Weight: 4.75ct (total)
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 50.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 594674
Weight: 2.09ct
Size: 8.4 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 49.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 595014
Weight: 5.07ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 66.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 528911
Weight: 1.93ct
Size: 7.1 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 168.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 634144
Weight: 14.33ct
Size: 17.9 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 603059
Weight: 2.78ct
Size: 9.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 678167
Weight: 1.04ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.74
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
223
Choose Page
1 - 780

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 really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 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

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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Why Choose Loose Untreated Gemstones?

Selecting loose untreated gemstones ensures you’re investing in authentic, natural beauty. Gems like unheated sapphires, untreated rubies, and unenhanced diamonds retain their original allure, free from artificial enhancements. These certified untreated gems are ideal for those seeking unique, ethical, and high-quality stones for custom jewelry or collections.

Perfect for Engagement Rings and Collectors

Our untreated gemstones, including GIA-certified natural gems, are highly sought after for engagement rings and collector’s pieces. With options like unheated topaz and virgin untreated stones, you can create a timeless design that reflects your individual style. Each gem is carefully selected for its purity and brilliance.

Rare and Exquisite Natural Gems

From authentic untreated crystals to precious untreated gemstones, our collection offers something for every taste. These rare untreated gems for collectors are perfect for showcasing the natural beauty of stones like unheated and untreated stones that remain untouched by enhancements, preserving their natural value and appeal.

Quality Assurance You Can Trust

Every stone in our selection of loose untreated gemstones is thoroughly inspected to meet the highest standards. Whether you’re looking for untreated gemstones for engagement rings or certified untreated gems for a special project, our collection ensures authenticity and unparalleled quality.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 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

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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

FAQ's

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.

Enlarged Gemstone Image