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: 455702
Weight: 1.62ct
Size: 9.8 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 14.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 604638
Weight: 13.73ct
Size: 18.9 x 12.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 67.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 475066
Weight: 1.89ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 733467
Weight: 3.41ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 437967
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 110.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 650119
Weight: 9.52ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 466879
Weight: 0.62ct
Size: 7.3 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 647624
Weight: 0.45ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 13.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 587265
Weight: 1.54ct
Size: 7.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 142.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 572432
Weight: 12.60ct (total)
Size: 15.1 x 11 mm
Clarity: VVS
Content: 2 pcs
Price: $ 49.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 571926
Weight: 1.30ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 37.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 480713
Weight: 2.16ct (total)
Size: 5.6 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 19.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 621214
Weight: 9.87ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 743985
Weight: 1.24ct
Size: 7.4 x 5.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 52.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 710342
Weight: 2.86ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 718446
Weight: 0.08ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 669212
Weight: 8.00ct
Size: 21.2 x 8.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 172.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 721327
Weight: 0.98ct
Size: 6.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 400139
Weight: 5.40ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 17.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 328627
Weight: 18.41ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 434595
Weight: 1.60ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 454536
Weight: 0.81ct
Size: 5.2 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 430709
Weight: 2.41ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 737276
Weight: 2.34ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 105.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 422611
Weight: 9.17ct
Size: 18.1 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 485316
Weight: 2.46ct
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 746952
Weight: 24.54ct
Size: 22.5 x 18.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 1,472.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 681798
Weight: 0.62ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 672682
Weight: 2.15ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 51.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 695580
Weight: 0.58ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 644190
Weight: 2.08ct
Size: 8.6 x 7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 552532
Weight: 0.92ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 585078
Weight: 13.26ct (total)
Size: 23.7 x 11.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 534148
Weight: 2.10ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 699539
Weight: 0.92ct
Size: 5.8 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 696905
Weight: 17.06ct
Size: 34.5 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 539321
Weight: 1.43ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 434095
Weight: 30.70ct
Size: 27.6 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 522193
Weight: 19.98ct
Size: 24.6 x 14.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 158.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 597428
Weight: 25.66ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 572786
Weight: 1.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 59.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 475801
Weight: 3.36ct
Size: 11.5 x 10.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 455268
Weight: 1.79ct
Size: 9.8 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 16.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 391189
Weight: 24.92ct (total)
Size: 27.3 x 12.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 49.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 724493
Weight: 1.17ct
Size: 10 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 700699
Weight: 1.43ct (total)
Size: 6.7 x 4.7 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 745145
Weight: 1.64ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 522414
Weight: 17.52ct
Size: 21.8 x 14.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 138.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 500373
Weight: 1.83ct
Size: 11.9 x 6 mm
Clarity: VS
Price: $ 16.91
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 532399
Weight: 3.82ct
Size: 10.4 x 8.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 635369
Weight: 2.69ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 71.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 436991
Weight: 3.83ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 435453
Weight: 14.96ct
Size: 19.1 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 730101
Weight: 2.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 322519
Weight: 6.06ct (total)
Size: 7.5 x 6.4 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 40.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 712396
Weight: 18.36ct
Size: 21.3 x 16.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 154.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 435378
Weight: 4.43ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 470612
Weight: 32.54ct
Size: 31.8 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 609114
Weight: 4.32ct (total)
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 79.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 591647
Weight: 5.63ct (total)
Size: 6 x 1.6 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 11.89
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
610
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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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 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

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 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

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

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