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: 727040
Weight: 0.67ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 494889
Weight: 3.97ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 491907
Weight: 17.40ct (total)
Size: 18.1 x 9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 15.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 621915
Weight: 1.08ct
Size: 5 x 5 mm (calibrated)
Clarity: VS-SI
Price: $ 22.70
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 418946
Weight: 6.95ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 393083
Weight: 7.80ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 51.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 676240
Weight: 5.96ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 438458
Weight: 1.46ct
Size: 6.5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 433941
Weight: 5.25ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 34.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 686472
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 15.12
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 692634
Weight: 118.72ct
Size: 31.1 x 30.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 721617
Weight: 7.74ct
Size: 21.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 715022
Weight: 12.98ct (total)
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 33.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 453657
Weight: 1.23ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 499223
Weight: 1.91ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 371048
Weight: 6.32ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 41.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 710382
Weight: 3.07ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 693885
Weight: 5.92ct
Size: 13.1 x 8 mm
Clarity: VS
Content: 1 pc
Price: $ 196.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 534258
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 712644
Weight: 2.49ct
Size: 10.2 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 658162
Weight: 6.48ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 407645
Weight: 11.85ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 451555
Weight: 5.26ct (total)
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 100 pcs
Price: $ 277.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 395351
Weight: 2.61ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 51.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 454314
Weight: 0.84ct
Size: 12 x 3.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 382232
Weight: 3.76ct (total)
Size: 3.1 mm
Clarity: VS
Content: 30 pcs
Price: $ 199.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 505351
Weight: 1.88ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 434997
Weight: 37.25ct
Size: 25.5 x 23.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 479436
Weight: 2.37ct (total)
Size: 10.1 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 530303
Weight: 1.18ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 656769
Weight: 2.08ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 519566
Weight: 1.65ct
Size: 8.1 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 492857
Weight: 6.16ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 473223
Weight: 2.75ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 36.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 390887
Weight: 2.97ct
Size: 13 x 8.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 98.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 537021
Weight: 1.59ct
Size: 8.1 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 744677
Weight: 1.69ct
Size: 10 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 76.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 485149
Weight: 6.44ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 34.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 450181
Weight: 7.52ct (total)
Size: 7 x 5.3 mm
Clarity: Transparent
Content: 5 pcs
Price: $ 99.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 424016
Weight: 4.67ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 49.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 447089
Weight: 2.24ct
Size: 8.1 x 6.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 105.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 471658
Weight: 1.28ct (total)
Size: 4.9 x 3.9 mm
Clarity: VS
Content: 4 pcs
Price: $ 168.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 720788
Weight: 0.52ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 680944
Weight: 1.01ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 30.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 410661
Weight: 8.87ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 58.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 565674
Weight: 0.93ct
Size: 5.8 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 21.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 735128
Weight: 0.91ct
Size: 6.9 x 6 mm
Clarity: SI
Content: 1 pc
Price: $ 54.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 602894
Weight: 1.53ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 479613
Weight: 2.38ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 682550
Weight: 10.53ct
Size: 21.6 x 11 mm
Clarity: Transparent
Content: 1 pc
Price: $ 101.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 689135
Weight: 0.27ct
Size: 5 x 3 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 563855
Weight: 3.01ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 635668
Weight: 5.68ct
Size: 14.6 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 450113
Weight: 1.36ct
Size: 7 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 686030
Weight: 4.43ct (total)
Size: 9 x 7.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 5.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 417586
Weight: 2.62ct (total)
Size: 4.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 107.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 538237
Weight: 1.62ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 692451
Weight: 14.14ct
Size: 16 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 118.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 564574
Weight: 0.14ct
Size: 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 279.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 710763
Weight: 31.18ct
Size: 25.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 83.06
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
26
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

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 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 -> 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

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

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