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: 547380
Weight: 1.16ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 467863
Weight: 4.10ct (total)
Size: 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 28.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 243626
Weight: 6.93ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 655534
Weight: 2.00ct
Size: 8 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 694868
Weight: 8.63ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 258.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 566445
Weight: 24.43ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 18.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 669524
Weight: 31.09ct
Size: 23.7 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 438438
Weight: 14.30ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 587288
Weight: 1.84ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 170.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 462065
Weight: 8.02ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 95.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 712053
Weight: 60.73ct (total)
Size: 25.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 161.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 647765
Weight: 17.71ct (total)
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 19.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 608479
Weight: 3.27ct (total)
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 60.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 467838
Weight: 5.95ct (total)
Size: 3 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 39.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 388904
Weight: 0.98ct
Size: 8.8 x 4.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 62.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 552522
Weight: 7.90ct
Size: 17.7 x 11.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 573255
Weight: 5.06ct
Size: 11.7 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 715570
Weight: 19.30ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 185.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 372542
Weight: 25.34ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 240.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 465777
Weight: 8.20ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 532564
Weight: 3.77ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 726843
Weight: 0.81ct
Size: 9.6 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 48.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 477536
Weight: 3.04ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 85.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 526280
Weight: 15.01ct (total)
Size: 18.2 x 11.8 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 28.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 555785
Weight: 0.60ct
Size: 7.1 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 86.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 566959
Weight: 48.18ct
Size: 42.4 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 108.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 574047
Weight: 1.07ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 9.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 691693
Weight: 0.96ct
Size: 6 x 5 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 57.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 623470
Weight: 0.89ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 714549
Weight: 0.58ct
Size: 4.6 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 1,160.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 635495
Weight: 5.96ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 565364
Weight: 1.29ct
Size: 6.3 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 29.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 462255
Weight: 3.14ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 628114
Weight: 1.62ct
Size: 7.6 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 658462
Weight: 4.74ct
Size: 13.7 x 10.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 541070
Weight: avg. 0.49 ct / each
Size: 6 x 4 mm (calibrated)
Clarity: VS
Price: $ 3.74
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 554614
Weight: 1.06ct
Size: 8.1 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 27.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 644196
Weight: 1.84ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 617624
Weight: 23.91ct
Size: 23.9 x 17.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 648845
Weight: 16.27ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 599839
Weight: 6.51ct
Size: 14.2 x 10 mm
Clarity: Transparent
Price: $ 29.14
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 636241
Weight: 5.91ct
Size: 13.2 x 11.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 49.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 640315
Weight: 0.62ct
Size: 5.9 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 32.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 608313
Weight: 2.50ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 255621
Weight: 1.41ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 235.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 378641
Weight: 1.54ct
Size: 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 5,285.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 715335
Weight: 2.03ct
Size: 9 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 243.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 691110
Weight: 1.09ct
Size: 13.8 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 58.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 650579
Weight: 3.30ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 27.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 593197
Weight: 1.53ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 413957
Weight: 2.31ct
Size: 9.1 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 304.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 446274
Weight: 12.56ct
Size: 20.2 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 693954
Weight: 0.50ct
Size: 5.2 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 704356
Weight: 5.60ct
Size: 11 x 7.8 mm
Clarity: SI
Content: 1 pc
Price: $ 736.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 328236
Weight: 13.46ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 88.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 702346
Weight: avg. 0.06 ct / each
Size: 2.3 mm (calibrated)
Clarity: Opaque
Price: $ 19.21
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 583732
Weight: 3.67ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 697710
Weight: 0.35ct
Size: 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 7.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 491087
Weight: 13.10ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 12.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 505827
Weight: 2.74ct
Size: 12 x 9.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 69.05
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
24
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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

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 -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick 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 -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

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