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: 559500
Weight: 0.96ct
Size: 6.2 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 681995
Weight: 21.35ct
Size: 21.4 x 17.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 204.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 735223
Weight: 2.26ct
Size: 8.6 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 108.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 435428
Weight: 12.19ct
Size: 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 459854
Weight: 4.89ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 682814
Weight: 0.60ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 708318
Weight: 5.27ct
Size: 14.3 x 11.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 37.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 568974
Weight: 2.42ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 395185
Weight: 6.27ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 3 pcs
Price: $ 41.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 395331
Weight: 10.65ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 70.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 719758
Weight: 3.93ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 117.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 719363
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 488116
Weight: 64.04ct
Size: 40.9 x 27.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 392812
Weight: 6.72ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 479378
Weight: 1.16ct
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 673483
Weight: 1.51ct
Size: 7.5 x 6.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 503447
Weight: 3.10ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 28.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 487700
Weight: 5.83ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 54.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 691769
Weight: 2.67ct
Size: 15.6 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 144.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 711505
Weight: 2.18ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 700078
Weight: 0.56ct (total)
Size: 4.3 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 897.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 725696
Weight: 1.06ct
Size: 6.5 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 90.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 559179
Weight: 2.32ct (total)
Size: 6.6 x 4.8 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 8.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 708333
Weight: 8.31ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 667068
Weight: 1.39ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 479890
Weight: 3.36ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 650083
Weight: 1.06ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 8.90
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 692358
Weight: 22.52ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 189.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 721759
Weight: 52.68ct
Size: 30.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 393365
Weight: 1.58ct (total)
Size: 3.1 x 1.9 mm
Clarity: VS
Content: 20 pcs
Price: $ 114.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 408079
Weight: 8.90ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 697466
Weight: 0.69ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 529530
Weight: 1.10ct
Size: 6 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 95.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 471974
Weight: 3.64ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 480.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 392768
Weight: 7.85ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 688208
Weight: 0.92ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 551376
Weight: 1.34ct
Size: 7.4 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 724912
Weight: 0.84ct
Size: 8.5 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 708624
Weight: 5.06ct
Size: 15.7 x 10.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 153.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 497260
Weight: 2.75ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 25.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 691168
Weight: 0.53ct
Size: 4.7 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 721834
Weight: 12.06ct
Size: 16 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 390945
Weight: 1.34ct
Size: 18.7 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 38.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 349641
Weight: 1.20ct
Size: 14 x 3.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 691698
Weight: 0.82ct
Size: 6.2 x 4.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 49.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 648264
Weight: 0.91ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 645860
Weight: 6.51ct
Size: 14 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 663069
Weight: 4.82ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 637220
Weight: 0.78ct
Size: 6.1 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 531801
Weight: 3.59ct
Size: 11 x 6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 213.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 725638
Weight: 0.44ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 726814
Weight: 1.00ct
Size: 8.4 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 358015
Weight: 1.72ct
Size: 8.7 x 5.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 394376
Weight: 9.17ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 60.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 346049
Weight: 23.71ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 125.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 645548
Weight: 1.49ct
Size: 9 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 21.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 673102
Weight: 1.71ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 41.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 683577
Weight: 4.55ct
Size: 12.2 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 710168
Weight: 2.80ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 644028
Weight: 1.89ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Price: $ 15.88
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
1 2 3
...
501
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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
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 -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
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 -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 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