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: 608201
Weight: 2.31ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 76.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 723001
Weight: 1.06ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 31.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 700974
Weight: 0.45ct
Size: 4.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 27.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 361815
Weight: 25.94ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 34.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 700191
Weight: 1.46ct
Size: 7.6 x 5 mm
Clarity: SI
Content: 1 pc
Price: $ 87.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 659414
Weight: 1.06ct
Size: 6.3 x 5.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 2.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 560580
Weight: 5.23ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 417590
Weight: 2.16ct (total)
Size: 4.5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 88.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 623578
Weight: 1.14ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 643667
Weight: 6.22ct
Size: 25.2 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 52.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 411280
Weight: 4.02ct (total)
Size: 9.6 x 7.6 mm
Clarity: VVS
Content: 2 pcs
Price: $ 108.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 692153
Weight: 0.35ct
Size: 4 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 704831
Weight: 32.08ct
Size: 33 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 598618
Weight: 2.47ct
Size: 13.9 x 6.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 723477
Weight: 10.16ct
Size: 12.1 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 521026
Weight: 29.23ct
Size: 33.8 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 771.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 593621
Weight: 2.66ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 19.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 527539
Weight: 8.34ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 60.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 673945
Weight: 4.75ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 68.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 529148
Weight: 1.71ct
Size: 8 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 447139
Weight: 2.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 96.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 725873
Weight: 0.51ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 440027
Weight: 0.85ct
Size: 5.6 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 606457
Weight: 2.21ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 696395
Weight: 21.18ct
Size: 26.3 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 688113
Weight: 9.09ct
Size: 21 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 663448
Weight: 1.03ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 19.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 721721
Weight: 0.48ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 686100
Weight: 4.00ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 691650
Weight: 19.59ct
Size: 24 x 21.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 719791
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 683197
Weight: 5.21ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 551191
Weight: 1.02ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 439509
Weight: 5.17ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 102.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 563550
Weight: 2.86ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 688013
Weight: 5.05ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 548525
Weight: 1.39ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 417.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 617891
Weight: 13.75ct
Size: 22.8 x 15.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 82.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 697735
Weight: 0.64ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 732048
Weight: 0.64ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 480639
Weight: 2.96ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 388898
Weight: 0.97ct
Size: 6.9 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 62.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 500230
Weight: 2.07ct
Size: 12.1 x 5.9 mm
Clarity: VS
Price: $ 19.13
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 704930
Weight: 0.84ct
Size: 9.1 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 472450
Weight: 12.52ct
Size: 18 x 14.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 115.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 485006
Weight: 40.04ct
Size: 42.7 x 16 mm
Clarity: Translucent
Content: 1 pc
Price: $ 39.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 386001
Weight: 2.81ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 501599
Weight: 2.35ct
Size: 17.9 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 77.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 357713
Weight: 3.60ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 23.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 672158
Weight: 0.75ct
Size: 8 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 572937
Weight: 1.12ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 29.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 456999
Weight: 3.52ct
Size: 13.5 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 46.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 656559
Weight: 2.40ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 430239
Weight: 2.54ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 715001
Weight: 1.50ct (total)
Size: 5.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 3.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 722697
Weight: 24.85ct
Size: 31.8 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 208.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 696049
Weight: 0.24ct
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 480027
Weight: 1.67ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 472000
Weight: 5.27ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 486.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 464497
Weight: 2.54ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 23.47
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
279
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 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

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
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 love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
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

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 -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 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 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

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
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 love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
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

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 -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 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