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: 671943
Weight: 1.67ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 40.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 390006
Weight: 0.78ct
Size: 9.6 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 33.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 338019
Weight: 17.19ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 33.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 387763
Weight: 2.78ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 460820
Weight: 7.21ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 668696
Weight: 0.59ct
Size: 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 566.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 636591
Weight: 4.16ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 604518
Weight: 38.92ct
Size: 35.7 x 23 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 420075
Weight: 6.05ct
Size: 13.5 x 9.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 431212
Weight: 3.07ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 32.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 706505
Weight: 2.38ct
Size: 8.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 711205
Weight: 0.45ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 608863
Weight: 4.61ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 85.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 715535
Weight: 1.74ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 602997
Weight: 2.93ct
Size: 9.6 x 8.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 193.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 339010
Weight: 0.93ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 50.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 461240
Weight: 6.91ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 63.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 726811
Weight: 0.76ct
Size: 8.1 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 400698
Weight: 4.44ct
Size: 10.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 41.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 409438
Weight: 11.03ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 52.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 479936
Weight: 2.94ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 713734
Weight: 1.04ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 713868
Weight: 2.08ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 17.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 513988
Weight: 3.20ct
Size: 10.9 x 7.8 mm
Clarity: VS
Content: 1 pc
Price: $ 25.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 715361
Weight: 0.71ct
Size: 7.4 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 744241
Weight: 9.00ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 35.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 479946
Weight: 4.23ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 475666
Weight: 6.59ct
Size: 15.6 x 11.4 mm
Clarity: VS
Content: 1 pc
Price: $ 60.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 582786
Weight: 0.99ct
Size: 7.1 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 52.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 399635
Weight: 14.93ct
Size: 34.9 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 700181
Weight: 0.80ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 453936
Weight: 1.15ct
Size: 10.7 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 474885
Weight: 2.10ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 737384
Weight: 2.06ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 92.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 647622
Weight: 0.51ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 15.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 492518
Weight: 4.68ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 538355
Weight: 1.14ct
Size: 10.4 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 103.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 585893
Weight: 63.38ct
Size: 35.5 x 26.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 386753
Weight: 3.00ct
Size: 18.7 x 7.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 700591
Weight: 0.61ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Price: $ 5.86
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 529473
Weight: 1.51ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 622325
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 712766
Weight: 7.20ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 19.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 718623
Weight: 3.32ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 1.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 490911
Weight: 4.18ct (total)
Size: 5.7 mm
Clarity: VS
Content: 5 pcs
Price: $ 49.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 634973
Weight: 2.18ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 401342
Weight: 10.14ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 33.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 663450
Weight: 1.09ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 656681
Weight: 0.59ct
Size: 6.3 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 9.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 497242
Weight: 2.68ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 24.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 639868
Weight: 0.50ct
Size: 5.9 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 26.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 581770
Weight: 13.84ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 737352
Weight: 4.33ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 194.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 624218
Weight: 42.63ct
Size: 31.6 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 706982
Weight: 2.46ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 708434
Weight: 1.69ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 724143
Weight: 1.78ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 484115
Weight: 2.85ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 689004
Weight: 4.38ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 706963
Weight: 34.76ct
Size: 33.7 x 21.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.77
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
233
Choose Page
1 - 772

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

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 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

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

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

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