X
Gemstone Search
90,000+ Happy Customers
20+ Years In Business
Call Us Mon–Fri 8am–5pm

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Buy 4 mm Round Calibrated Gemstones from GemSelect

Round Shape 4 mm Gems Weight
Round Shape 4 mm Gems Size
Round Shape 4 mm Gems Clarity
Round Shape 4 mm Gems Price
Round Shape 4 mm Gems Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue Round Shape 4 mm Gems
Brown Round Shape 4 mm Gems
Golden
Gray Round Shape 4 mm Gems
Green Round Shape 4 mm Gems
Multicolor Round Shape 4 mm Gems
Orange Round Shape 4 mm Gems
Pink Round Shape 4 mm Gems
Purple
Red Round Shape 4 mm Gems
Turquoise
Violet
White Round Shape 4 mm Gems
Yellow Round Shape 4 mm Gems
Single
Pairs
Lots
Faceted
Cabochons
Clear All

2.24ctw Multicolor Andalusite, Round, VS

4 mm (calibrated)

$ 110.44

View Gem

0.28ct White Diamond, Round, VVS

4 mm (calibrated)

$ 470.10

View Gem

1.83ctw Green Peridot, Round, VS

4 mm (calibrated)

$ 20.05

View Gem

0.86ctw Blue Sapphire, Round, VS

4 mm (calibrated)

$ 85.66

View Gem

2.26ctw Multicolor Andalusite, Round, VS-SI

4 mm (calibrated)

$ 111.42

View Gem

2.48ctw Multicolor Andalusite, Round, VS-SI

4 mm (calibrated)

$ 122.27

View Gem

0.91ctw Green Sapphire, Round, VS

4 mm (calibrated)

$ 99.70

View Gem

0.40ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 143.22

View Gem

2.31ctw Red Spessartite Garnet, Round, VS

4 mm (calibrated)

$ 108.63

View Gem

0.25ct Yellow Diamond, Round, VS

4 mm (calibrated)

$ 456.41

View Gem

0.36ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 128.90

View Gem

0.28ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 109.93

View Gem

2.05ctw Orange Andalusite, Round, VS

4 mm (calibrated)

$ 101.08

View Gem

0.36ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 128.90

View Gem

0.23ct Brown Diamond, Round, VVS-VS

4 mm (calibrated)

$ 419.90

View Gem

0.33ct Yellow Sphalerite, Round, SI

4 mm (calibrated)

$ 16.43

View Gem

0.74ctw Blue Sapphire, Round, VS

4 mm (calibrated)

$ 81.07

View Gem

2.10ctw Multicolor Andalusite, Round, VS

4 mm (calibrated)

$ 115.04

View Gem

0.42ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 150.39

View Gem

0.35ct Red Ruby, Round, SI

4 mm (calibrated)

$ 115.04

View Gem

2.37ctw Multicolor Andalusite, Round, VS-SI

4 mm (calibrated)

$ 116.85

View Gem

2.38ctw Multicolor Andalusite, Round, VS-SI

4 mm (calibrated)

$ 117.34

View Gem

0.34ct Blue Kyanite, Round, VS-SI

4 mm (calibrated)

$ 8.47

View Gem

4.23ctw Multicolor Andalusite, Round, VS-SI

4 mm (calibrated)

$ 208.55

View Gem

Why Buy Round Shape 4 Mm Gems from GemSelect?

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

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
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

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate
Enlarged Gemstone Image