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: 382773
Weight: 1.59ct
Size: 7.9 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 71.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 480033
Weight: 1.99ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 325566
Weight: 1.45ct (total)
Size: 3.7 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 174.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 686088
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 17.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 447921
Weight: 23.26ct
Size: 26.4 x 18.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 74.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 428384
Weight: 10.47ct (total)
Size: 11.9 x 8.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 69.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 453755
Weight: 3.72ct
Size: 10.9 x 8.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 681850
Weight: 0.21ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 120.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 707974
Weight: 2.79ct
Size: 9.1 x 7.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 4.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 475525
Weight: 8.74ct
Size: 14 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 46.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 715437
Weight: 3.94ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 710374
Weight: 6.13ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 434540
Weight: 2.64ct (total)
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 69.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 668414
Weight: 28.01ct
Size: 31.4 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 168.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 684211
Weight: 0.55ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 567448
Weight: 0.15ct (total)
Size: 2.8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 323.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 385165
Weight: 5.08ct
Size: 22.2 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 712325
Weight: 9.59ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 486352
Weight: 26.70ct
Size: 29 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 718009
Weight: 1.19ct (total)
Size: 5.2 x 3.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 460025
Weight: 4.27ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 577047
Weight: 12.32ct (total)
Size: 15.1 x 11 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 711628
Weight: 18.19ct
Size: 21.2 x 15.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 152.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 348775
Weight: 44.54ct
Size: 31 x 23.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 713693
Weight: 1.92ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 32.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 594827
Weight: 0.85ct
Size: 5 x 5 mm (calibrated)
Clarity: SI
Price: $ 20.20
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 368689
Weight: 4.55ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 3 pcs
Price: $ 29.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 563559
Weight: 3.18ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 714978
Weight: 15.88ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 715319
Weight: 1.30ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 478057
Weight: 5.41ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 694694
Weight: 7.90ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 237.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 464178
Weight: 3.84ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 389723
Weight: 1.70ct
Size: 7.3 x 6.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 316150
Weight: 26.04ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 697604
Weight: 0.58ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 12.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 623793
Weight: 1.07ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 77.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 596651
Weight: 3.97ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 689082
Weight: 1.58ct (total)
Size: 9.2 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 15.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 474996
Weight: 1.58ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 735020
Weight: 3.62ct (total)
Size: 10.1 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 152.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 623787
Weight: 0.98ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 71.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 671592
Weight: 30.23ct
Size: 32.3 x 18.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 77.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 697716
Weight: 2.48ct (total)
Size: 10.4 x 7.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 62.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 464459
Weight: 4.18ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 575198
Weight: 19.83ct
Size: 22.8 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 561925
Weight: 0.85ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 730326
Weight: 1.35ct
Size: 8.2 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 189.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 610079
Weight: 22.36ct
Size: 20.9 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 328842
Weight: 28.99ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 492478
Weight: 11.62ct
Size: 20.4 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 664615
Weight: 1.91ct
Size: 8.3 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 41.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 409928
Weight: 10.90ct
Size: 15.4 x 11.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 371.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 456659
Weight: 3.23ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 29.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 715462
Weight: 3.89ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 718258
Weight: 0.98ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 29.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 720790
Weight: 0.37ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 2.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 448735
Weight: 20.70ct
Size: 21.9 x 13.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 733146
Weight: 3.47ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 510509
Weight: 1.12ct
Size: 5.6 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 89.80
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
581
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

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

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
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

Good. I ts very user friendly.

Posted By Shalini in June, 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

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

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
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

Good. I ts very user friendly.

Posted By Shalini in June, 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