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: 447086
Weight: 2.17ct
Size: 7.4 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 102.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 596669
Weight: 5.06ct
Size: 22.6 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 658680
Weight: 21.80ct
Size: 32.2 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 497504
Weight: 1.66ct
Size: 7.9 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 671997
Weight: 0.84ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 485994
Weight: 4.09ct
Size: 9.9 x 7.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 37.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 474836
Weight: 23.76ct
Size: 29.4 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 530096
Weight: 1.61ct
Size: 7.1 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 140.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 656170
Weight: 1.29ct
Size: 10 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 664521
Weight: 1.55ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 408185
Weight: 10.54ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 453734
Weight: 2.01ct
Size: 11 x 8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 714378
Weight: 0.78ct (total)
Size: 4.4 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 19.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 718321
Weight: 1.15ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 34.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 413612
Weight: 3.95ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 583724
Weight: 3.47ct
Size: 14.3 x 9.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 345293
Weight: 29.55ct
Size: 21.8 x 16.7 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 50.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 484396
Weight: 5.50ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 72.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 450712
Weight: 4.07ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 390891
Weight: 3.22ct
Size: 10.8 x 8 mm
Clarity: VS
Content: 1 pc
Price: $ 127.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 437832
Weight: 1.08ct
Size: 15.7 x 3.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 710438
Weight: 1.85ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 602999
Weight: 1.49ct
Size: 7.6 x 6.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 98.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 447596
Weight: 2.21ct
Size: 8.6 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 104.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 488700
Weight: 1.74ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 446727
Weight: 3.89ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 717963
Weight: 0.63ct
Size: 5.2 x 4.1 mm
Clarity: VVS-VS
Price: $ 18.90
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 488636
Weight: 1.99ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 52.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 569249
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 423130
Weight: 30.93ct (total)
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 6 pcs
Price: $ 40.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 486414
Weight: 20.39ct
Size: 31.5 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 553578
Weight: 1.78ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 449691
Weight: 6.64ct (total)
Size: 7.3 x 6.3 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 43.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 327800
Weight: 0.55ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 71.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 654808
Weight: 13.67ct
Size: 21.1 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 487772
Weight: 20.36ct
Size: 19.8 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 392130
Weight: 18.18ct
Size: 19 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 658557
Weight: 24.97ct
Size: 19.3 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 322388
Weight: 23.99ct
Size: 20.5 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 591695
Weight: 6.51ct
Size: 15.5 x 8.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 61.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 552998
Weight: 7.11ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 37.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 398785
Weight: 1.16ct
Size: 9 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 64.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 630179
Weight: 11.73ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 98.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 604504
Weight: 1.00ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 715359
Weight: 0.74ct
Size: 6.4 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 47.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 730320
Weight: 1.67ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 233.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 721963
Weight: 22.38ct
Size: 25.9 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 672475
Weight: 27.98ct
Size: 32.8 x 19.3 mm
Clarity: Translucent
Price: $ 33.58
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 464353
Weight: 4.13ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 696218
Weight: 23.76ct
Size: 20 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 585688
Weight: 7.67ct
Size: 17.4 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 46.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 370078
Weight: 1.62ct
Size: 16.9 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 622557
Weight: 1.34ct
Size: 7.5 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 28.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 470007
Weight: 12.72ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 737412
Weight: 2.13ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 95.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 456652
Weight: 3.81ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 35.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 695829
Weight: 2.67ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 474445
Weight: 19.84ct
Size: 17.8 x 13.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 321845
Weight: 22.54ct
Size: 24.8 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 208.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 407746
Weight: 5.50ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 217.80
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
449
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

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 -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man 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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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 am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate
Enlarged Gemstone Image