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 6 mm Gems

Buy 6 mm Round Calibrated Gemstones from GemSelect

Round Shape 6 mm Gems Weight
Round Shape 6 mm Gems Size
Round Shape 6 mm Gems Clarity
Round Shape 6 mm Gems Price
Round Shape 6 mm Gems Treatment

Size Explained

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

0.91ct Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 36.25

View Gem

1.12ct Green Tourmaline, Round, Transparent

6 mm (calibrated)

$ 22.31

View Gem

1.08ct Orange Sphalerite, Round, VS-SI

6 mm (calibrated)

$ 53.78

View Gem

1.10ct Orange Hessonite Garnet, Round, VS

6 mm (calibrated)

$ 16.80

View Gem

2.13ctw White Zircon, Round, VS

6 mm (calibrated)

$ 33.65

View Gem

3.32ctw Green Peridot, Round, VS

6 mm (calibrated)

$ 32.44

View Gem

2.39ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 70.70

View Gem

3.95ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 64.92

View Gem

4.38ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 69.21

View Gem

1.24ct Red Tourmaline, Round, Transparent

6 mm (calibrated)

$ 20.55

View Gem

1.30ct Red Ruby, Round, VS

6 mm (calibrated)

$ 116.53

View Gem

0.96ct Green Tourmaline, Round, Transparent

6 mm (calibrated)

$ 15.90

View Gem

1.34ctw Multicolor Opal, Round, Translucent

6 mm (calibrated)

$ 51.39

View Gem

2.55ctw Pink Strawberry Quartz, Round, Translucent

6 mm (calibrated)

$ 15.59

View Gem

4.75ctw Orange Zircon, Round, VVS-VS

6 mm (calibrated)

$ 113.35

View Gem

4.31ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 76.49

View Gem

1.26ct Orange Sphalerite, Round, SI-I1

6 mm (calibrated)

$ 62.75

View Gem

2.12ctw White Zircon, Round, VS

6 mm (calibrated)

$ 33.50

View Gem

1.37ct Orange Sphalerite, Round, VS-SI

6.5 mm (calibrated)

$ 68.23

View Gem

2.24ctw Multicolor Labradorite, Round, Translucent

6 mm (calibrated)

$ 4.82

View Gem

1.26ct Orange Zircon, Round, VVS-VS

6 mm (calibrated)

$ 30.06

View Gem

1.19ct Orange Zircon, Round, VVS-VS

6 mm (calibrated)

$ 26.08

View Gem

1.49ct Black Star Diopside, Round, Opaque

6 mm (calibrated)

$ 7.42

View Gem

1.35ct Red Ruby, Round, VS-SI

6 mm (calibrated)

$ 121.01

View Gem

Why Buy Round Shape 6 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

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

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate
Enlarged Gemstone Image