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: 648697
Weight: 10.93ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 663991
Weight: 1.27ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 537743
Weight: 1.21ct
Size: 9.2 x 4.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 110.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 431706
Weight: 1.55ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 478272
Weight: 8.47ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 77.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 739111
Weight: 0.58ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 5.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 714773
Weight: 0.36ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 529126
Weight: 21.42ct
Size: 29.5 x 9.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 632823
Weight: 2.24ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 16.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 461174
Weight: 4.54ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 545714
Weight: 29.28ct
Size: 28.3 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 631678
Weight: 1.10ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 635668
Weight: 5.68ct
Size: 14.6 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 594583
Weight: 1.34ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 733748
Weight: 3.33ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 674958
Weight: 8.14ct
Size: 16.6 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 732801
Weight: 1.21ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 46.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 486535
Weight: 9.20ct
Size: 19 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 401506
Weight: 1.13ct
Size: 6 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 150.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 683581
Weight: 4.55ct
Size: 14.2 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 466229
Weight: 3.49ct (total)
Size: 12 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 36.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 376666
Weight: 1.76ct
Size: 7.3 x 6.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 719495
Weight: 0.71ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 708756
Weight: 1.35ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 451190
Weight: 1.36ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 12.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 705801
Weight: 0.77ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 6.47
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 737117
Weight: 25.24ct
Size: 36.6 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 648664
Weight: 7.74ct (total)
Size: 12.4 x 8.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 562196
Weight: 42.89ct
Size: 47.2 x 9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1,576.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 655927
Weight: 1.47ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 500131
Weight: 1.77ct
Size: 11.9 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 16.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 674202
Weight: 0.64ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 572198
Weight: 2.89ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 717449
Weight: 1.52ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 31.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 681847
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 514084
Weight: 6.73ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 63.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 396709
Weight: 1.06ct
Size: 7.3 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 505352
Weight: 1.99ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 700119
Weight: 0.80ct
Size: 5.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 48.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 692371
Weight: 9.50ct
Size: 14.4 x 12.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 22.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 711731
Weight: 20.63ct
Size: 20.5 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 501262
Weight: 6.25ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 57.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 672669
Weight: 2.19ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 52.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 693796
Weight: 43.55ct
Size: 37.6 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 627603
Weight: 1.57ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 62.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 713845
Weight: 0.77ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 498312
Weight: 2.12ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 710166
Weight: 0.83ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 14.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 737097
Weight: 32.65ct
Size: 30.1 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 394106
Weight: 2.61ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 43.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 456657
Weight: 2.98ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 27.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 721622
Weight: 22.93ct
Size: 36.1 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 489355
Weight: 3.12ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 61.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 314562
Weight: 1.35ct
Size: 13.9 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 71.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 730348
Weight: 2.77ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 528881
Weight: 11.87ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 719790
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 631644
Weight: 6.02ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 72.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 673212
Weight: 1.03ct
Size: 6.8 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 24.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 364359
Weight: 6.73ct
Size: 17 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.77
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
741
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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
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

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate
Enlarged Gemstone Image