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: 448962
Weight: 2.38ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 15.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 738961
Weight: 0.44ct
Size: 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 22.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 476912
Weight: 15.52ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 61.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 737605
Weight: 6.78ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 394765
Weight: 4.99ct
Size: 10.6 x 10.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 669509
Weight: 7.49ct
Size: 14.8 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 464021
Weight: 5.90ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 463010
Weight: 4.57ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 424597
Weight: 0.88ct
Size: 6.1 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 34.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 650122
Weight: 9.77ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 522658
Weight: 1.57ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 495459
Weight: 29.63ct (total)
Size: 16.7 x 13.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 42.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 392307
Weight: 72.94ct
Size: 35.2 x 23.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 732443
Weight: 0.53ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 447139
Weight: 2.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 96.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 746916
Weight: 10.00ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3,000.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 673097
Weight: 1.57ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 37.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 716134
Weight: 3.59ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 34.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 650208
Weight: 9.80ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 727875
Weight: 1.08ct
Size: 6.5 x 5.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 608428
Weight: 9.62ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 177.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 407976
Weight: 11.65ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 27.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 736716
Weight: 9.77ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 721362
Weight: 18.21ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 475566
Weight: 18.89ct
Size: 31.5 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 609055
Weight: 2.91ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 72.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 410225
Weight: 5.58ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 36.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 476806
Weight: 25.08ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 99.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 433959
Weight: 2.88ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 618766
Weight: 32.72ct (total)
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 78.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 551048
Weight: 1.03ct
Size: 7.3 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 617768
Weight: 2.83ct
Size: 7.9 x 782 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 54.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 658442
Weight: 11.67ct
Size: 22.6 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 457028
Weight: 3.55ct
Size: 11 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 18.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 743039
Weight: 1.37ct
Size: 6.6 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 164.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 682505
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 14.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 602122
Weight: 1.51ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 59.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 718313
Weight: 1.27ct (total)
Size: 5.3 x 4.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 38.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 706763
Weight: 5.34ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 394688
Weight: 10.20ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 67.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 560075
Weight: 2.25ct
Size: 9 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 50.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 435818
Weight: 13.08ct
Size: 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 398179
Weight: 1.36ct
Size: 16.6 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 486417
Weight: 18.10ct
Size: 33 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 534149
Weight: 1.29ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 469482
Weight: 15.69ct
Size: 20.3 x 13.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 674892
Weight: 11.93ct
Size: 19.1 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 693884
Weight: 2.72ct
Size: 9.7 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 686700
Weight: 2.64ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 3.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 711986
Weight: 4.39ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 63.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 712569
Weight: 1.30ct
Size: 7.8 x 5.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 733415
Weight: 2.95ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 700565
Weight: 0.72ct
Size: 5.5 x 4.7 mm
Clarity: SI
Content: 1 pc
Price: $ 43.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 492910
Weight: 4.58ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 409562
Weight: 7.89ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 683727
Weight: 6.64ct
Size: 13.7 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 744414
Weight: 1.82ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 254.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 333329
Weight: 11.71ct
Size: 21.7 x 10.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 170.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 658156
Weight: 6.10ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 594681
Weight: 1.59ct
Size: 7.8 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.78
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
478
Choose Page
1 - 773

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

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

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 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

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. 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

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate
Enlarged Gemstone Image