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: 374182
Weight: 25.34ct (total)
Size: 17.7 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 219.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 471621
Weight: 9.11ct
Size: 16.6 x 12.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 84.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 427337
Weight: 2.49ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 605853
Weight: 5.67ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 515492
Weight: 18.98ct
Size: 20.3 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 596872
Weight: 6.93ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 492795
Weight: 4.82ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 715820
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 497573
Weight: 2.10ct
Size: 8.5 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 55.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 715397
Weight: 13.17ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 126.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 736721
Weight: 16.30ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 545047
Weight: 3.64ct (total)
Size: 7.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 13.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 721508
Weight: 32.94ct
Size: 26.6 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 708044
Weight: 5.47ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 644869
Weight: 2.17ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 730091
Weight: 0.28ct
Size: 6.1 x 3.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 13.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 521051
Weight: 66.26ct
Size: 28.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 334.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 552243
Weight: 2.55ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 720999
Weight: 0.49ct
Size: 8.2 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 688277
Weight: 1.82ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 707147
Weight: 1.35ct
Size: 9.6 x 5.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 406178
Weight: 1.00ct
Size: 6.6 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 123.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 422378
Weight: 1.37ct
Size: 9.7 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 79.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 448976
Weight: 6.48ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 379836
Weight: 3.18ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 180.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 711526
Weight: 4.90ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 70.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 642918
Weight: 2.41ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 718134
Weight: 1.21ct (total)
Size: 5.2 x 4 mm
Clarity: VS
Content: 2 pcs
Price: $ 36.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 500717
Weight: 12.21ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 78.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 387130
Weight: 5.73ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 41.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 704826
Weight: 1.54ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 46.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 479663
Weight: 1.72ct (total)
Size: 10.1 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 711092
Weight: 16.16ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 656727
Weight: 2.14ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 727841
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 730032
Weight: 0.19ct
Size: 5 x 2.7 mm
Clarity: VS
Content: 1 pc
Price: $ 9.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 609443
Weight: 19.79ct
Size: 25.8 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 499835
Weight: 4.07ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 37.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 364110
Weight: 7.89ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 400074
Weight: 7.11ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 23.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 619982
Weight: 3.33ct
Size: 11.4 x 8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 43.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 620780
Weight: 1.37ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 719955
Weight: 0.89ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 666848
Weight: 3.50ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 59.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 389345
Weight: 0.90ct
Size: 6.6 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 656180
Weight: 3.45ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 698506
Weight: 2.42ct
Size: 8.1 x 6.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 598894
Weight: 7.77ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 401201
Weight: 6.63ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 494463
Weight: 2.89ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 636438
Weight: 1.93ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 50.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 707112
Weight: 2.57ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 344390
Weight: 57.56ct
Size: 26.9 x 22.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 102.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 636437
Weight: 1.59ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 469365
Weight: 23.21ct
Size: 29.5 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 556211
Weight: 0.91ct
Size: 6.3 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 466879
Weight: 0.62ct
Size: 7.3 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 541144
Weight: 8.59ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 715483
Weight: 1.80ct
Size: 8.1 x 6.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 17.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 500259
Weight: 1.54ct
Size: 12 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 14.23
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
767
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 found the website easy to work with. The gemstones are lovely.

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

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark 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 found the website easy to work with. The gemstones are lovely.

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

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark 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