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 3.5 mm Round Calibrated Gemstones from GemSelect

Round Shape 3.5 mm Gems Weight
Round Shape 3.5 mm Gems Size
Round Shape 3.5 mm Gems Clarity
Round Shape 3.5 mm Gems Price
Round Shape 3.5 mm Gems Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Round Shape 3.5 mm Gems
Blue Round Shape 3.5 mm Gems
Brown
Golden
Gray
Green Round Shape 3.5 mm Gems
Multicolor Round Shape 3.5 mm Gems
Orange Round Shape 3.5 mm Gems
Pink Round Shape 3.5 mm Gems
Purple Round Shape 3.5 mm Gems
Red Round Shape 3.5 mm Gems
Turquoise
Violet Round Shape 3.5 mm Gems
White Round Shape 3.5 mm Gems
Yellow Round Shape 3.5 mm Gems
Single
Pairs
Lots
Faceted
Cabochons
Clear All

0.17ct Yellow Diamond, Round, VS

3.5 mm (calibrated)

$ 306.68

View Gem

0.17ct Yellow Diamond, Round, VS-SI

3.5 mm (calibrated)

$ 306.68

View Gem

0.17ct Yellow Diamond, Round, VS

3.5 mm (calibrated)

$ 282.13

View Gem

0.17ct Yellow Diamond, Round, VS-SI

3.5 mm (calibrated)

$ 306.68

View Gem

0.23ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 35.96

View Gem

0.25ct Yellow Sphalerite, Round, SI-I1

3.5 mm (calibrated)

$ 12.45

View Gem

0.23ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 75.85

View Gem

3.33ctw Multicolor Andalusite, Round, VS

3.5 mm (calibrated)

$ 122.00

View Gem

3.52ctw Multicolor Andalusite, Round, VS

3.5 mm (calibrated)

$ 154.77

View Gem

0.20ct Red Ruby, Round, SI

3.5 mm (calibrated)

$ 65.95

View Gem

3.44ctw Multicolor Andalusite, Round, VS

3.5 mm (calibrated)

$ 137.36

View Gem

0.19ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 62.66

View Gem

0.46ctw Blue Kyanite, Round, VS-SI

3.5 mm (calibrated)

$ 8.25

View Gem

1.95ctw Multicolor Sapphire, Round, Transparent

3.5 mm (calibrated)

$ 42.73

View Gem

0.20ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 65.95

View Gem

0.21ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 69.26

View Gem

0.17ct Green Emerald, Round, VS-SI

3.5 mm (calibrated)

$ 25.77

View Gem

0.21ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 69.26

View Gem

0.23ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 75.85

View Gem

1.38ctw Red Rubies, Round, VS-SI

3.5 mm (calibrated)

$ 188.99

View Gem

0.21ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 99.90

View Gem

0.14ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 46.17

View Gem

0.17ct Green Emerald, Round, SI

3.5 mm (calibrated)

$ 42.33

View Gem

0.18ct Yellow Diamond, Round, VS

3.5 mm (calibrated)

$ 324.71

View Gem

Why Buy Round Shape 3.5 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 -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

good navigation and simple interface.

Posted By Dave in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

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