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: 718224
Weight: 0.51ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 640591
Weight: 1.45ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 453650
Weight: 3.05ct
Size: 11.3 x 8.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 696900
Weight: 36.78ct
Size: 42.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 700723
Weight: 13.59ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 724777
Weight: 0.36ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 640323
Weight: 0.26ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 725735
Weight: 0.41ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 489487
Weight: 1.95ct (total)
Size: 4.8 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 38.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 520630
Weight: 1.43ct
Size: 10 x 5 mm
Clarity: VS-SI
Price: $ 79.28
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 712198
Weight: 5.25ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 469424
Weight: 19.72ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 368336
Weight: 3.55ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 427827
Weight: 2.42ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 721772
Weight: 0.72ct
Size: 6.4 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 460938
Weight: 3.24ct
Size: 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 505070
Weight: 7.37ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 730111
Weight: 0.68ct
Size: 6.5 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 664786
Weight: 1.50ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 579534
Weight: 7.68ct
Size: 15.2 x 11.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 152.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 590449
Weight: 2.84ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 53.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 423448
Weight: 35.82ct (total)
Size: 14 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 47.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 376321
Weight: 2.80ct
Size: 9.4 x 8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 730096
Weight: 2.74ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 711548
Weight: 1.13ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 705846
Weight: 0.73ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Price: $ 6.13
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 438101
Weight: 1.96ct
Size: 8.8 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 90.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 314626
Weight: 3.65ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 81.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 279596
Weight: 2.18ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 129.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 686515
Weight: 0.32ct
Size: 4 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 730202
Weight: 0.98ct
Size: 12.6 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 706907
Weight: 3.72ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 523175
Weight: 13.90ct
Size: 18.9 x 12.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 110.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 604520
Weight: 22.95ct
Size: 28.9 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 377591
Weight: 27.19ct (total)
Size: 18.2 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 179.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 511700
Weight: 0.86ct
Size: 5.6 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 51.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 659278
Weight: 31.64ct
Size: 35.6 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 675954
Weight: 5.39ct
Size: 13.5 x 10.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 602869
Weight: 3.39ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 710440
Weight: 2.28ct
Size: 8.6 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 40.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 608205
Weight: 2.04ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 67.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 558526
Weight: 2.29ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 684596
Weight: 13.64ct
Size: 23.2 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 526634
Weight: 2.42ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 603000
Weight: 2.55ct
Size: 8.5 x 6.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 168.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 431638
Weight: 1.48ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 460923
Weight: 4.09ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 363881
Weight: 13.44ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 88.70
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
ID: 416381
Weight: 1.21ct
Size: 18.9 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 38.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 331763
Weight: 12.11ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 79.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 704645
Weight: 1.48ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 366564
Weight: 1.12ct
Size: 7.2 x 5.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 157.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 693081
Weight: 26.13ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 219.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 748892
Weight: 0.79ct
Size: 5.5 x 4.7 mm
Clarity: SI
Content: 1 pc
Price: $ 474.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 326201
Weight: 1.86ct
Size: 7.5 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 6.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 720152
Weight: 1.58ct
Size: 7.7 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 152.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 438015
Weight: 1.12ct
Size: 19.7 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 36.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 642273
Weight: 3.71ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 439628
Weight: 5.88ct
Size: 16.2 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 116.42
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
341
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

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 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

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate
Enlarged Gemstone Image