90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home Calibrated Gemstones Round Shape 3.5 mm Gems

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)

$ 282.13

View Gem

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-SI

3.5 mm (calibrated)

$ 306.68

View Gem

0.23ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 35.96

View Gem

2.64ctw Red Rubies, Round, VS-SI

3.5 mm (calibrated)

$ 401.75

View Gem

0.23ct Blue Sapphire, Round, Transparent

3.5 mm (calibrated)

$ 11.11

View Gem

0.14ct Green Emerald, Round, SI

3.5 mm (calibrated)

$ 34.86

View Gem

3.49ctw Multicolor Andalusite, Round, VS

3.5 mm (calibrated)

$ 153.44

View Gem

0.36ctw Blue Apatite, Round, VS-SI

3.5 mm (calibrated)

$ 7.68

View Gem

0.15ct Green Emerald, Round, SI

3.5 mm (calibrated)

$ 37.35

View Gem

1.22ctw Blue Sapphire, Round, Transparent

3.5 mm (calibrated)

$ 37.53

View Gem

0.16ct Green Emerald, Round, SI

3.5 mm (calibrated)

$ 39.84

View Gem

0.18ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 59.36

View Gem

0.20ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 65.95

View Gem

0.20ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 65.95

View Gem

0.16ct White Diamond, Round, VS

3.5 mm (calibrated)

$ 268.63

View Gem

0.22ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 104.66

View Gem

0.23ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 75.85

View Gem

3.44ctw Multicolor Andalusite, Round, VS

3.5 mm (calibrated)

$ 137.36

View Gem

0.21ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 69.26

View Gem

0.17ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 56.07

View Gem

0.19ct Green Emerald, Round, VS-SI

3.5 mm (calibrated)

$ 28.80

View Gem

0.19ct Green Kornerupine, Round, SI

3.5 mm (calibrated)

$ 71.76

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 -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate
Enlarged Gemstone Image