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
ID: 600412
Weight: 2.70ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 435535
Weight: 9.41ct
Size: 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 560989
Weight: 0.88ct (total)
Size: 4.3 x 4.3 mm
Clarity: VS
Content: 2 pcs
Price: $ 8.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 709999
Weight: 0.37ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 730458
Weight: 54.15ct
Size: 38.9 x 30.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 392087
Weight: 12.43ct
Size: 35 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 445806
Weight: 2.48ct
Size: 8.8 x 7.8 mm
Clarity: VS
Content: 1 pc
Price: $ 118.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 603854
Weight: 1.98ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 57.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 518275
Weight: 31.44ct
Size: 21.5 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 486475
Weight: 23.11ct
Size: 34.7 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 721771
Weight: 0.65ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 532942
Weight: 1.45ct
Size: 7.5 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 27.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 637110
Weight: 0.81ct
Size: 7.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 42.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 413735
Weight: 11.82ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 390.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 487602
Weight: 14.64ct (total)
Size: 7 x 6.6 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 10.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 619177
Weight: 14.77ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 38.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 372723
Weight: 4.97ct (total)
Size: 9.1 x 4.6 mm
Clarity: VS
Content: 5 pcs
Price: $ 39.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 400740
Weight: 4.39ct
Size: 9.5 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 671999
Weight: 11.53ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 32.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 567597
Weight: 3.59ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 437880
Weight: 1.65ct
Size: 20.7 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 54.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 699786
Weight: 27.99ct
Size: 27.5 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 471787
Weight: 9.05ct
Size: 14 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 836.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 694001
Weight: 29.40ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 621629
Weight: 19.78ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 30.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 350523
Weight: 3.31ct (total)
Size: 3 x 2.9 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 75.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 565988
Weight: 7.25ct
Size: 16.8 x 11.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 711233
Weight: 1.36ct
Size: 7.7 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 32.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 424846
Weight: 0.75ct
Size: 7.8 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 29.70
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: 490715
Weight: 5.87ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 709192
Weight: 15.17ct
Size: 22.3 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 733103
Weight: 0.40ct
Size: 5.7 x 4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 715658
Weight: 1.55ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 635841
Weight: 9.04ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 453893
Weight: 0.70ct
Size: 9 x 3.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 724814
Weight: 1.14ct
Size: 16.7 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 360801
Weight: 16.97ct
Size: 19.1 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 595287
Weight: 3.44ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 90.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 559065
Weight: 2.01ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 41.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 710420
Weight: 2.82ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 23.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 528220
Weight: 0.93ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 672224
Weight: 1.28ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 422824
Weight: 0.80ct
Size: 7.1 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 30.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 713855
Weight: 18.69ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 157.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 638595
Weight: 82.02ct
Size: 31.1 x 26.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 688.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 481596
Weight: 18.56ct
Size: 18.4 x 16.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 519143
Weight: 1.30ct
Size: 8.7 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 120.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 715322
Weight: 1.55ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 638299
Weight: 2.93ct
Size: 9.5 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 269638
Weight: 2.27ct (total)
Size: 5.7 x 3.8 mm
Clarity: VVS
Content: 3 pcs
Price: $ 204.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 705799
Weight: 0.75ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 6.30
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 700090
Weight: 13.48ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 714383
Weight: 1.18ct (total)
Size: 4.3 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 35.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 483672
Weight: 1.45ct
Size: 7.1 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 124.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 668366
Weight: 0.09ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 478428
Weight: 0.70ct
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 524593
Weight: 1.21ct
Size: 6.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 145.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 439428
Weight: 6.13ct
Size: 14.4 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 121.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 431533
Weight: 2.50ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 59.40
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
153
Choose Page
1 - 774

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 gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate
Enlarged Gemstone Image