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?

Calibrated 10 x 8 mm Octagon Shape Gemstones | GemSelect

Octagon Shape 10x8 mm Gems Weight
Octagon Shape 10x8 mm Gems Size
Octagon Shape 10x8 mm Gems Clarity
Octagon Shape 10x8 mm Gems Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Octagon Shape 10x8 mm Gems
Black
Blue Octagon Shape 10x8 mm Gems
Brown
Golden
Gray
Green Octagon Shape 10x8 mm Gems
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White Octagon Shape 10x8 mm Gems
Yellow
Single
Pairs
Lots
Faceted
Cabochons
Clear All

3.11ct Green Emerald, Emerald Cut, SI

10 x 8 mm (calibrated)

$ 933.00

View Gem

8.20ctw Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 78.72

View Gem

6.61ctw White Topaz, Emerald Cut, VVS

10 x 8 mm (calibrated)

$ 36.36

View Gem

3.67ct Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 29.36

View Gem

7.78ctw Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 74.69

View Gem

8.15ctw Blue Topaz, Emerald Cut, VS

10 x 8 mm (calibrated)

$ 53.79

View Gem

2.91ct Bi-Color Ametrine, Emerald Cut, VS

10 x 8 mm (calibrated)

$ 36.78

View Gem

7.39ctw Blue Topaz, Emerald Cut, VS

10 x 8 mm (calibrated)

$ 58.52

View Gem

7.33ctw Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 70.37

View Gem

3.38ct Bi-Color Ametrine, Emerald Cut, VS

10 x 8 mm (calibrated)

$ 42.72

View Gem

3.71ct Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 35.62

View Gem

7.55ctw White Topaz, Emerald Cut, VVS

10 x 8 mm (calibrated)

$ 41.53

View Gem

8.32ctw Blue Topaz, Emerald Cut, VS

10 x 8 mm (calibrated)

$ 49.92

View Gem

7.63ctw Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 73.25

View Gem

6.99ctw Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 55.36

View Gem

7.63ctw Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 61.04

View Gem

3.31ct Bi-Color Ametrine, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 41.84

View Gem

7.49ctw Blue Topaz, Emerald Cut, VS

10 x 8 mm (calibrated)

$ 59.32

View Gem

3.95ct Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 30.43

View Gem

7.43ctw Blue Topaz, Emerald Cut, VS

10 x 8 mm (calibrated)

$ 53.50

View Gem

3.71ct Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 35.62

View Gem

3.69ct Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 29.52

View Gem

7.75ctw Blue Topaz, Emerald Cut, VVS-VS

10 x 8 mm (calibrated)

$ 51.15

View Gem

3.51ct Green Emerald, Emerald Cut, VS-SI

10 x 8 mm (calibrated)

$ 9,477.00

View Gem

Why Buy Octagon Shape 10x8 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

It was easy and to the point

Posted By Victorius in May, 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

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate
Enlarged Gemstone Image