search
  • English speaking customer support only

    Toll Free - USA & Canada only:
    1-800-464-1640

    International:
    +66-39303404

  • Change Language
  • USD
Buy Customized Gemstone Lots
Shop By

Single

Pairs

Lots

Faceted

Cab

Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (4158): 5 mm Gemstones Clear All
Sort By:
Click for Details
Compare
6 pcs
Add to Cart
0.3ct Oval Facet Green Chrome Diopside Gem (ID: 469102)
0.25 ct (total 1.52ctw) Chrome Diopside
4.9 x 3 mm
$ 30.40
Item in Stock
Click for Details
Compare
4 pcs
Add to Cart
0.5ct Round Facet Multicolor Tourmaline Gem (ID: 281800)
0.49 ct (total 1.96ctw) Tourmaline
4.8 mm
$ 41.16
Item in Stock
Click for Details
Compare
20 pcs
Add to Cart
0.3ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 349968)
0.30 ct (total 6.09ctw) Sapphire
5 x 3 mm
$ 213.15
Item in Stock
Click for Details
Compare
4 pcs
Add to Cart
0.5ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 336598)
0.49 ct (total 1.95ctw) Sapphire
5 x 4 mm
$ 68.25
Item in Stock
Click for Details
Compare
1 pc
Add to Cart
0.7ct Round Facet Pinkish Violet Spinel Gem (ID: 483429)
0.69 ct Spinel
5.1 mm
$ 34.50
Item in Stock
Click for Details
Compare
2 pcs
Add to Cart
0.6ct Diamond-Cut Blue Sapphire Gem (ID: 441511)
0.62 ct (total 1.24ctw) Sapphire
5.2 mm
$ 496.00
Item in Stock
Click for Details
Compare
2 pcs
Add to Cart
0.7ct Round Facet Pinkish Red Ruby Gem (ID: 499743)
0.67 ct (total 1.34ctw) Ruby
5.2 mm
$ 393.29
Item in Stock
Click for Details
Compare
6 pcs
Add to Cart
0.2ct Pear Facet Multicolor Sapphire Gem (ID: 414512)
0.22 ct (total 1.33ctw) Sapphire
4.9 x 3 mm
$ 53.20
Item in Stock
Click for Details
68 pcs
Select pcs
Add to Cart
0.3ct Oval Facet London Blue Topaz Gem (ID: 505840)
1 pc (avg. 0.28 ct) Topaz
5.1 x 3.2 mm
$ 1.94
Item in Stock
Click for Details
Compare
4 pcs
Add to Cart
0.7ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 336532)
0.66 ct (total 2.64ctw) Sapphire
5 x 4 mm
$ 92.40
Item in Stock
Click for Details
Compare
4 pcs
Add to Cart
0.6ct Round Facet Yellow Golden Sapphire Gem (ID: 460673)
0.60 ct (total 2.39ctw) Sapphire
4.9 mm
$ 143.52
Item in Stock
Click for Details
Compare
5 pcs
Add to Cart
0.4ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 375026)
0.38 ct (total 1.92ctw) Sapphire
4.9 x 3.1 mm
$ 81.50
Item in Stock
Click for Details
Compare
15 pcs
Add to Cart
0.3ct Pear Facet Multicolor Sapphire Gem (ID: 324895)
0.27 ct (total 4.06ctw) Sapphire
4.9 x 3.1 mm
$ 101.50
Item in Stock
Click for Details
100 pcs
Select pcs
Add to Cart
0.2ct Oval Facet Green Tsavorite Garnet Gem (ID: 503399)
1 pc (avg. 0.23 ct) Tsavorite Garnet
5 x 3 mm
$ 11.42
Item in Stock
Click for Details
Compare
2 pcs
Add to Cart
Click for Product Video (458547)
0.5ct Oval Facet Golden Green Demantoid Garnet Gem (ID: 458547)
0.48 ct (total 0.96ctw) Demantoid Garnet
5 x 4.2 mm
$ 157.92
Item in Stock
Click for Details
Compare
8 pcs
Add to Cart
0.2ct Pear Facet Multicolor Sapphire Gem (ID: 414388)
0.20 ct (total 1.60ctw) Sapphire
4.9 x 3 mm
$ 64.00
Item in Stock
Click for Details
Compare
4 pcs
Add to Cart
0.5ct Round Facet Violet Amethyst Gem (ID: 495490)
0.45 ct (total 1.81ctw) Amethyst
5 mm
$ 9.05
Item in Stock
Click for Details
Compare
2 pcs
Add to Cart
0.7ct Round Facet Yellow Sapphire Gem (ID: 423726)
0.73 ct (total 1.45ctw) Sapphire
5.2 mm
$ 181.40
Item in Stock
Click for Details
Compare
2 pcs
Add to Cart
0.5ct Oval Facet Greenish Brown To Red Pink Color-Change Garnet Gem (ID: 428860)
0.49 ct (total 0.97ctw) Color-Change Garnet
5.1 x 4 mm
$ 48.50
Item in Stock
Click for Details
Compare
4 pcs
Add to Cart
0.4ct Oval Facet Green Demantoid Garnet Gem (ID: 471695)
0.42 ct (total 1.67ctw) Demantoid Garnet
5.1 x 4.1 mm
$ 167.00
Item in Stock
Click for Details
Compare
5 pcs
Add to Cart
0.8ct Round Facet Orange Spessartite Garnet Gem (ID: 401929)
0.75 ct (total 3.76ctw) Spessartite Garnet
5.2 mm
$ 116.56
Item in Stock
5 mm Gemstones
Buy gems by size in millimeters. Some people by gems by color or prize, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated sizes and shapes, facet cut and cabochon gems available now in the 5 mm size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

Certified Customer Reviews
Overall Rating -> 8 star ratings
Finding the right gemstones was easy on the web page. Payment was quite simple as well. Design of the site was nice and simple; however, the "Create Your Gemstone Lots" image appears fuzzy and lowers aesthetics in my opinion.
Posted By Anon34 in December, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have always had good luck with GemSelect. The stones are always as pictured. I would recommend GemSelect.
Posted By MiMi in December, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
The site had so many different stones and they were very affordably priced
Posted By Manimal in December, 2018
Source: Bizrate
Overall Rating -> 9 star ratings
Good stones and easy to use website
Posted By Wilsondesigns in December, 2018
Source: Bizrate
Overall Rating -> 9 star ratings
All is good
Posted By T in December, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
nice collection of jewels at a fair price
Posted By Bob in December, 2018
Source: Bizrate
Popular Gemstones
All Gemstones (144)
A B C D E F G H I J K L M O P Q R S T V Z
English speaking customer support only

Toll Free - USA & Canada only:
1-800-464-1640

International:
+66-39303404

Save Money
No shipping Fees for Additional Items!
$6.99 Worldwide Shipping

Update Translation
 
Current Value
New Value
GemSelect Gemstones
X Close Window
Colored Gemstones
X Close Window
Colored Gemstones
X Close Window
Colored Gemstones
Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart