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: 708311
Weight: 6.29ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 710203
Weight: 3.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 698535
Weight: 0.79ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 686133
Weight: 3.01ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 3.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 480136
Weight: 2.47ct (total)
Size: 5.9 x 4.2 mm
Clarity: Translucent
Content: 5 pcs
Price: $ 22.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 477363
Weight: 4.40ct
Size: 11 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 686035
Weight: 3.12ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 606866
Weight: 25.20ct (total)
Size: 19.7 x 10.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 39.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 730864
Weight: 11.44ct (total)
Size: 19.6 x 12.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 7.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 730850
Weight: 26.28ct
Size: 26.4 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 725003
Weight: 11.35ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 431547
Weight: 2.85ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 30.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 714564
Weight: 0.34ct
Size: 5.5 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 18.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 706745
Weight: 32.64ct
Size: 36.5 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 708817
Weight: 4.69ct
Size: 14.3 x 10.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 142.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 683420
Weight: 6.54ct
Size: 15.7 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 686609
Weight: 3.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 651065
Weight: 0.82ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 6.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 671447
Weight: 28.85ct
Size: 24.2 x 17 mm
Clarity: Translucent
Content: 1 pc
Price: $ 74.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 714415
Weight: 0.74ct
Size: 7.2 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 39.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 697722
Weight: 1.27ct
Size: 11.1 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 376480
Weight: 1.64ct
Size: 8.5 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 556854
Weight: 2.58ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 428268
Weight: 48.37ct
Size: 30.5 x 23.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 712518
Weight: 2.88ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 605911
Weight: 22.57ct (total)
Size: 20.4 x 12.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 35.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 439099
Weight: 3.59ct
Size: 8.6 x 8.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 222.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 455133
Weight: 24.93ct (total)
Size: 18.6 x 12.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 724863
Weight: 1.63ct
Size: 15.2 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 68.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 622788
Weight: 4.55ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 656214
Weight: 1.46ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 674206
Weight: 1.27ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 53.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 727384
Weight: 0.46ct
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 632702
Weight: 2.81ct
Size: 17.9 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 691868
Weight: 1.26ct
Size: 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 75.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 712475
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 2.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 456418
Weight: 2.90ct
Size: 12 x 8.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 408858
Weight: 14.09ct
Size: 15.7 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 453038
Weight: 5.14ct
Size: 11.7 x 9.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 1,180.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 737146
Weight: 3.35ct
Size: 13.7 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 705200
Weight: 19.43ct
Size: 19.3 x 16.7 mm
Clarity: SI
Content: 1 pc
Price: $ 51.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 668826
Weight: 7.62ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 687681
Weight: 7.39ct
Size: 15.3 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 635158
Weight: 0.78ct
Size: 8.2 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 567441
Weight: 0.14ct (total)
Size: 2.7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 301.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 693846
Weight: 2.72ct
Size: 8.6 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 90.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 688715
Weight: 0.05ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 433535
Weight: 3.96ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 715521
Weight: 3.05ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 711811
Weight: 3.83ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 692003
Weight: 0.43ct (total)
Size: 3.5 x 3.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 695177
Weight: 2.95ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Price: $ 8.15
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 706882
Weight: 1.80ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 578705
Weight: 1.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 673536
Weight: 14.62ct
Size: 18.3 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 376717
Weight: 1.75ct
Size: 7 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 316434
Weight: 1.58ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 83.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 451140
Weight: 1.77ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 439626
Weight: 5.78ct
Size: 15.5 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 367188
Weight: 7.33ct
Size: 15.2 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.84
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
742
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 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

went well

Posted By Doug in May, 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 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

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
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 -> 9 star ratings

I love the gems!

Posted By MM in April, 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

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 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

went well

Posted By Doug in May, 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 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

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
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 -> 9 star ratings

I love the gems!

Posted By MM in April, 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

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