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: 478183
Weight: 9.43ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 86.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 422635
Weight: 9.24ct
Size: 17.2 x 13.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 422893
Weight: 0.97ct
Size: 7.3 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 733094
Weight: 0.34ct
Size: 6 x 3.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 661870
Weight: 11.12ct
Size: 22.2 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 542542
Weight: 0.93ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 446725
Weight: 3.87ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 715383
Weight: 1.35ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 712353
Weight: 2.43ct
Size: 9.8 x 6.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 448738
Weight: 14.68ct
Size: 25.5 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 386334
Weight: 10.44ct
Size: 19 x 8.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 41.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 448999
Weight: 6.24ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 502583
Weight: 2.36ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 696825
Weight: 0.33ct
Size: 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 7.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 662632
Weight: 28.67ct (total)
Size: 22 x 14.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 20.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 608827
Weight: 2.71ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 37.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 724970
Weight: 10.74ct
Size: 11.6 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 580128
Weight: 3.61ct
Size: 10.5 x 8.4 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 95.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 672533
Weight: 0.89ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 3.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 499224
Weight: 1.86ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 489711
Weight: 2.74ct (total)
Size: 4.7 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 54.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 639868
Weight: 0.50ct
Size: 5.9 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 26.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 639576
Weight: 5.35ct
Size: 11.4 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 315239
Weight: 1.88ct
Size: 11.4 x 8.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 99.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 630312
Weight: 20.28ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 107.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 691376
Weight: 4.41ct
Size: 14.6 x 10.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 238.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 645628
Weight: 1.31ct
Size: 8.8 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 15.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 387393
Weight: 4.47ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 29.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 524595
Weight: 1.27ct
Size: 6.3 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 125.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 735809
Weight: 21.39ct
Size: 34.4 x 15.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 489745
Weight: 2.66ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 52.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 514390
Weight: 3.33ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 539887
Weight: 1.15ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 23.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 520561
Weight: 9.01ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 83.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 678138
Weight: 0.12ct
Size: 2.7 x 2.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 467845
Weight: 5.95ct (total)
Size: 3.2 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 39.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 552528
Weight: 0.92ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 8.50
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 650902
Weight: 1.81ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 383905
Weight: 14.78ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 518305
Weight: 33.91ct
Size: 21.5 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 433621
Weight: 35.75ct
Size: 31.5 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 716389
Weight: 0.49ct
Size: 6.4 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 390626
Weight: 1.69ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 108.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 724912
Weight: 0.84ct
Size: 8.5 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 636262
Weight: 1.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 719763
Weight: 2.59ct
Size: 8 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 77.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 686069
Weight: 0.20ct (total)
Size: 2.6 x 2.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 721414
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 67.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 646580
Weight: 0.71ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 473007
Weight: 9.00ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 80.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 619135
Weight: 8.19ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 691468
Weight: 0.34ct
Size: 4 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 20.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 681803
Weight: 13.11ct
Size: 21.4 x 15.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 125.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 715427
Weight: 4.77ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 482126
Weight: 2.49ct
Size: 9.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 711494
Weight: 1.75ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 681851
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 114.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 551048
Weight: 1.03ct
Size: 7.3 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 367899
Weight: 4.15ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 726871
Weight: 0.64ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.52
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
511
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 have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 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

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 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

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

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate
Enlarged Gemstone Image