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: 619978
Weight: 1.67ct
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 721166
Weight: 0.45ct
Size: 8.3 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 3.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 550818
Weight: 1.26ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 624995
Weight: 2.47ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 464461
Weight: 4.38ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 40.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 706011
Weight: 1.28ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 459547
Weight: 5.18ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Price: $ 10.26
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 701914
Weight: 13.02ct
Size: 29 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 408071
Weight: 8.22ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 715476
Weight: 1.75ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 409564
Weight: 8.08ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 38.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 549172
Weight: 2.90ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 726820
Weight: 0.36ct
Size: 7.5 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 717972
Weight: 0.08ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 706352
Weight: 13.80ct
Size: 16.9 x 12 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 412.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 391986
Weight: 49.39ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 130.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 714081
Weight: 1.45ct (total)
Size: 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 43.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 351810
Weight: 3.78ct (total)
Size: 4.9 x 4.8 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 99.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 432065
Weight: 2.08ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 68.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 453811
Weight: 2.43ct
Size: 10.5 x 7.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 390043
Weight: 1.07ct
Size: 8 x 4.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 63.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 491675
Weight: 8.81ct (total)
Size: 7.3 x 7.2 mm
Clarity: Opaque
Content: 4 pcs
Price: $ 25.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 673504
Weight: 23.62ct
Size: 29.3 x 18.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 676236
Weight: 2.85ct
Size: 14 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 370464
Weight: 25.83ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 51.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 727355
Weight: 0.50ct
Size: 7.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 741458
Weight: 0.60ct
Size: 5.1 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 24.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 743175
Weight: 1.27ct
Size: 7.7 x 5.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 53.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 491085
Weight: 6.72ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 19.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 387560
Weight: 4.78ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 31.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 730291
Weight: 0.99ct
Size: 7.8 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 59.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 533722
Weight: 2.13ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 713789
Weight: 0.84ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 720260
Weight: 1.44ct
Size: 6.9 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 138.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 737544
Weight: 4.61ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 207.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 500222
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: 360259
Weight: 23.33ct
Size: 20.3 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 517340
Weight: 19.66ct
Size: 16.7 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 387465
Weight: 3.03ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 600424
Weight: 10.13ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 431199
Weight: 2.76ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 65.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 478210
Weight: 1.14ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 692472
Weight: 23.32ct
Size: 20 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 195.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 417756
Weight: 2.37ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 96.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 685647
Weight: 13.50ct
Size: 19.6 x 12.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 699228
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 491381
Weight: 44.83ct
Size: 33.8 x 32.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 721025
Weight: 27.44ct
Size: 28.4 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 448760
Weight: 8.28ct
Size: 15.3 x 11.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 718627
Weight: 7.19ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 572336
Weight: 1.24ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 39.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 517797
Weight: 2.72ct
Size: 9.3 x 7.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 59.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 542548
Weight: 0.99ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 712876
Weight: 0.90ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 493896
Weight: 3.89ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 423083
Weight: 44.95ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 6 pcs
Price: $ 86.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 519911
Weight: 1.24ct
Size: 13.3 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 112.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 431426
Weight: 1.27ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 456653
Weight: 3.25ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 30.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 371385
Weight: 5.03ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 33.20
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
405
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

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

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

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

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

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 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

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate
Enlarged Gemstone Image