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 6.5 mm Gems

Buy 6.5 mm Round Calibrated Gemstones from GemSelect

Round Shape 6.5 mm Gems Weight
Round Shape 6.5 mm Gems Size
Round Shape 6.5 mm Gems Clarity
Round Shape 6.5 mm Gems Price
Round Shape 6.5 mm Gems Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Round Shape 6.5 mm Gems
Blue Round Shape 6.5 mm Gems
Brown
Golden
Gray Round Shape 6.5 mm Gems
Green Round Shape 6.5 mm Gems
Multicolor Round Shape 6.5 mm Gems
Orange Round Shape 6.5 mm Gems
Pink Round Shape 6.5 mm Gems
Purple Round Shape 6.5 mm Gems
Red Round Shape 6.5 mm Gems
Turquoise Round Shape 6.5 mm Gems
Violet
White Round Shape 6.5 mm Gems
Yellow Round Shape 6.5 mm Gems
Single
Pairs
Lots
Faceted
Cabochons
Clear All

1.60ct Red Ruby, Round, VS-SI

6.5 mm (calibrated)

$ 143.42

View Gem

1.90ct Yellow Zircon, Round, VVS-VS

7 mm (calibrated)

$ 34.69

View Gem

1.72ct Purple Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 26.24

View Gem

5.32ctw Multicolor Opal, Round, Translucent

6.5 mm (calibrated)

$ 163.20

View Gem

1.31ct Pink Tourmaline, Round, Transparent

7 mm (calibrated)

$ 22.46

View Gem

1.58ct Orange Zircon, Round, VVS-VS

6.5 mm (calibrated)

$ 37.69

View Gem

1.13ct Green Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 18.72

View Gem

3.16ctw Orange Zircon, Round, VVS-VS

6.5 mm (calibrated)

$ 69.24

View Gem

1.43ct Orange Hessonite Garnet, Round, VS-SI

6.5 mm (calibrated)

$ 23.17

View Gem

3.38ctw White Zircon, Round, VVS

7 mm (calibrated)

$ 101.03

View Gem

1.57ct Red Ruby, Round, VS-SI

6.5 mm (calibrated)

$ 140.73

View Gem

1.60ct Orange Zircon, Round, VVS-VS

6.5 mm (calibrated)

$ 35.06

View Gem

1.13ct Green Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 20.63

View Gem

1.62ct Orange Hessonite Garnet, Round, VS-SI

7 mm (calibrated)

$ 22.72

View Gem

0.95ct Pink Morganite, Round, VS

6.5 mm (calibrated)

$ 36.90

View Gem

1.68ct Orange Zircon, Round, VVS-VS

6.5 mm (calibrated)

$ 36.81

View Gem

1.27ct Pink Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 21.77

View Gem

1.59ct Orange Zircon, Round, VVS-VS

6.5 mm (calibrated)

$ 34.84

View Gem

1.71ct Orange Zircon, Round, VVS-VS

6.5 mm (calibrated)

$ 37.47

View Gem

1.28ct Pink Ruby, Round, VS-SI

6.5 mm (calibrated)

$ 114.74

View Gem

1.51ct Orange Hessonite Garnet, Round, VS

6.5 mm (calibrated)

$ 24.46

View Gem

1.65ct Orange Hessonite Garnet, Round, VS

6.5 mm (calibrated)

$ 23.14

View Gem

1.53ct White Sillimanite Cat'S Eye, Round, Translucent

6.5 mm (calibrated)

$ 5.03

View Gem

1.30ct Orange Moonstone, Round, Translucent

6.5 mm (calibrated)

$ 2.60

View Gem

Why Buy Round Shape 6.5 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

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate
Enlarged Gemstone Image