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

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 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

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

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