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: 363097
Weight: 8.38ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 55.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 658289
Weight: 12.46ct
Size: 23.6 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 716136
Weight: 3.54ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 33.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 721728
Weight: 26.35ct
Size: 29.9 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 590445
Weight: 2.46ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 46.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 737157
Weight: 4.62ct
Size: 11.8 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 505072
Weight: 7.25ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 715556
Weight: 5.15ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 49.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 708249
Weight: 1.99ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 697521
Weight: 5.30ct
Size: 15.1 x 9.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 38.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 680683
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 28.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 686021
Weight: 2.69ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 3.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 465228
Weight: 4.03ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 427384
Weight: 2.37ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 15.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 485889
Weight: 6.92ct
Size: 13.5 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 58.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 685694
Weight: 0.85ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 715774
Weight: 1.12ct
Size: 9.4 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 475096
Weight: 23.84ct (total)
Size: 21 x 11.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 56.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 446126
Weight: 4.55ct
Size: 14.1 x 9.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 33.22
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: 647622
Weight: 0.51ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 15.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 692996
Weight: 29.14ct
Size: 39.8 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 530999
Weight: 9.01ct
Size: 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 655765
Weight: 1.38ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 33.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 607747
Weight: 2.06ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 38.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 734969
Weight: 4.61ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 378280
Weight: 13.84ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 560337
Weight: 4.85ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 599293
Weight: 6.71ct
Size: 14.2 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 685929
Weight: 49.29ct
Size: 46.7 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 698708
Weight: 3.14ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 388990
Weight: 0.97ct
Size: 7.7 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 62.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 724560
Weight: 0.81ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 695864
Weight: 2.53ct
Size: 8.6 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 75.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 528680
Weight: 1.84ct
Size: 8.7 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 160.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 592324
Weight: 0.62ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 718168
Weight: 0.02ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 522953
Weight: 13.97ct
Size: 20.4 x 12.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 92.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 700586
Weight: 4.71ct
Size: 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 594091
Weight: 1.22ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 619146
Weight: 5.18ct
Size: 11.6 x 9.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 68.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 341876
Weight: 4.67ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 43.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 458347
Weight: 1.60ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 211.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 491845
Weight: 8.67ct (total)
Size: 7.3 x 7.3 mm
Clarity: Opaque
Content: 4 pcs
Price: $ 25.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 297166
Weight: 34.86ct
Size: 27.1 x 22.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 46.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 661894
Weight: 1.91ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 499936
Weight: 10.02ct
Size: 15.9 x 13 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 724432
Weight: 66.10ct
Size: 33 x 24.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 596.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 571926
Weight: 1.30ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 37.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 684076
Weight: 14.78ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 638834
Weight: 55.74ct
Size: 26.5 x 23 mm
Clarity: VVS
Content: 1 pc
Price: $ 468.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 414692
Weight: 7.35ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 48.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 694697
Weight: 2.76ct
Size: 9.4 x 7.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 82.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 683081
Weight: 6.88ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 535700
Weight: 2.02ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 398717
Weight: 6.92ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 45.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 704551
Weight: 1.93ct
Size: 13.1 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 541840
Weight: 1.67ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 341243
Weight: 1.30ct (total)
Size: 4.9 x 4.8 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 29.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 697088
Weight: 0.51ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 11.02
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
679
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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris 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

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris 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

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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