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: 471910
Weight: 8.02ct
Size: 12.9 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 697086
Weight: 0.60ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 12.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 737137
Weight: 2.00ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 324059
Weight: 4.08ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 33.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 394636
Weight: 1.12ct
Size: 7.1 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 668814
Weight: 13.14ct
Size: 20.4 x 12.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 283.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 697715
Weight: 0.57ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 12.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 662625
Weight: 25.12ct (total)
Size: 26.1 x 15.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 17.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 688245
Weight: 0.22ct (total)
Size: 2.7 x 2.6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 604481
Weight: 1.93ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 720312
Weight: 1.15ct
Size: 6.5 x 5.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 110.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 697083
Weight: 0.54ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 11.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 678142
Weight: 0.28ct
Size: 3 x 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 168.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 695000
Weight: 2.98ct
Size: 9.6 x 7.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 89.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 718639
Weight: 27.89ct
Size: 25.7 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 167.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 734971
Weight: 4.36ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 379374
Weight: 1.07ct
Size: 7.6 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 143.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 435601
Weight: 7.53ct
Size: 15 x 10.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 485058
Weight: 31.90ct
Size: 43.4 x 15.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 63.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 448961
Weight: 2.49ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 533369
Weight: 0.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 627843
Weight: 1.72ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 660357
Weight: 1.56ct
Size: 8 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 729881
Weight: 1.65ct
Size: 8.4 x 7 mm
Clarity: VVS
Content: 1 pc
Price: $ 277.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 685329
Weight: 0.54ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Price: $ 22.68
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 534202
Weight: 1.17ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 10.81
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 718264
Weight: 0.83ct
Size: 5.9 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 24.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 684215
Weight: 0.37ct
Size: 4.7 x 3.7 mm
Clarity: VS
Price: $ 15.54
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 608161
Weight: 4.80ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 88.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 346497
Weight: 2.06ct (total)
Size: 2.3 x 2.3 mm
Clarity: VVS-VS
Content: 26 pcs
Price: $ 231.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 493455
Weight: 5.86ct
Size: 10.4 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 488621
Weight: 6.69ct
Size: 16.3 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 342037
Weight: 4.12ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 708393
Weight: 0.70ct
Size: 6.1 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 539879
Weight: 1.36ct
Size: 5.9 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 27.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 343968
Weight: 25.15ct
Size: 25.5 x 22.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 33.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 395821
Weight: 2.53ct
Size: 8 x 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 66.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 691703
Weight: 0.67ct
Size: 5.5 x 4.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 40.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 706456
Weight: 10.38ct
Size: 15 x 12 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 445717
Weight: 4.91ct
Size: 12.8 x 10.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 691696
Weight: 2.05ct
Size: 7.8 x 6.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 123.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 603167
Weight: 2.44ct
Size: 9.1 x 7.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 546.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 707131
Weight: 2.44ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 712098
Weight: 2.46ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 705337
Weight: 5.16ct
Size: 10.5 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 689608
Weight: 2.05ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 691081
Weight: 0.83ct
Size: 5.5 x 4.5 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 49.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 704592
Weight: 1.71ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 729883
Weight: 5.15ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 431446
Weight: 3.59ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 85.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 691347
Weight: 0.53ct
Size: 4.9 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 44.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 422069
Weight: 3.50ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 315002
Weight: 1.43ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 94.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 662861
Weight: 2.93ct (total)
Size: 8.4 x 6.8 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 70.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 454951
Weight: 16.43ct (total)
Size: 21.4 x 13 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 21.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 691636
Weight: 0.56ct
Size: 4.4 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 47.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 438804
Weight: 1.92ct (total)
Size: 5.5 x 3.5 mm
Clarity: VS
Content: 5 pcs
Price: $ 37.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 646704
Weight: 7.78ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 8.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 519794
Weight: 23.43ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 434010
Weight: 58.94ct
Size: 30.8 x 29.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 778.03
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
446
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 love the quality, package and info of your gems.

Posted By Diana in April, 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

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 -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim 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 love the quality, package and info of your gems.

Posted By Diana in April, 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

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 -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim 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