How big is a 10 carat cubic zirconia?
By HeyGema™ · Updated
In short
A 10 carat round cubic zirconia measures about 11.8 mm across (0.46 inches), 15% narrower than a 10 carat diamond (13.9 mm). An oval of the same weight is 14.6 x 10.0 mm and an emerald cut 12.8 x 9.1 mm.
- 11.8 mmround cubic zirconia, across
- 0.46 inthe same in inches
- 2.00 gweight
- 71%of a size 6 finger's width
Carat to mm calculator
About 11.8 x 11.8 mm
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
Round
11.8 mm
Oval
14.6 x 10.0 mm
Cushion
10.2 x 10.2 mm
Princess
10.0 x 10.0 mm
Emerald cut
12.8 x 9.1 mm
Asscher
10.0 x 10.0 mm
Radiant
11.9 x 9.1 mm
Pear
15.5 x 10.0 mm
Marquise
19.0 x 9.5 mm
Heart
11.9 x 11.9 mm
Trillion
12.8 x 12.8 mm
Baguette
14.6 x 7.3 mm
= 5 mm in every picture above
10 carat cubic zirconia size by shape
Face-up measurements of a well-cut 10 carat cubic zirconia. Cubic zirconia is denser than diamond (5.80 against 3.52), so it packs more weight into less space and faces up 15% narrower for the same weight.
- Round
- Length x width: 11.8 mm
- In inches: 0.46 in
- Oval
- Length x width: 14.6 x 10.0 mm
- In inches: 0.57 x 0.39 in
- Cushion
- Length x width: 10.2 x 10.2 mm
- In inches: 0.40 x 0.40 in
- Princess
- Length x width: 10.0 x 10.0 mm
- In inches: 0.39 x 0.39 in
- Emerald cut
- Length x width: 12.8 x 9.1 mm
- In inches: 0.50 x 0.36 in
- Asscher
- Length x width: 10.0 x 10.0 mm
- In inches: 0.39 x 0.39 in
- Radiant
- Length x width: 11.9 x 9.1 mm
- In inches: 0.47 x 0.36 in
- Pear
- Length x width: 15.5 x 10.0 mm
- In inches: 0.61 x 0.39 in
- Marquise
- Length x width: 19.0 x 9.5 mm
- In inches: 0.75 x 0.37 in
- Heart
- Length x width: 11.9 x 11.9 mm
- In inches: 0.47 x 0.47 in
- Trillion
- Length x width: 12.8 x 12.8 mm
- In inches: 0.50 x 0.50 in
- Baguette
- Length x width: 14.6 x 7.3 mm
- In inches: 0.57 x 0.29 in
10 carat cubic zirconia against other gems
- Diamond
- Round, 10 carat: 13.9 mm
- Moissanite
- Round, 10 carat: 14.3 mm
- Sapphire
- Round, 10 carat: 13.3 mm
- Ruby
- Round, 10 carat: 13.3 mm
- Emerald
- Round, 10 carat: 15.1 mm
- Aquamarine
- Round, 10 carat: 15.2 mm
- Morganite
- Round, 10 carat: 15.0 mm
- Tanzanite
- Round, 10 carat: 14.1 mm
- Cubic zirconia (this page)
- Round, 10 carat: 11.8 mm
10 carat cubic zirconia on a finger
- 4
- Finger width: 14.9 mm
- Round covers: 79%
- Oval covers: 67%
- 5
- Finger width: 15.7 mm
- Round covers: 75%
- Oval covers: 64%
- 6
- Finger width: 16.5 mm
- Round covers: 71%
- Oval covers: 61%
- 7
- Finger width: 17.3 mm
- Round covers: 68%
- Oval covers: 58%
- 8
- Finger width: 18.1 mm
- Round covers: 65%
- Oval covers: 55%
- 9
- Finger width: 18.9 mm
- Round covers: 62%
- Oval covers: 53%
Cubic zirconia at nearby weights
- 5 carat cubic zirconia
- Round diameter: 9.3 mm
- 10 ct (this page)
- Round diameter: 11.8 mm
Questions
A round 10 carat cubic zirconia is about 11.8 mm across. Other shapes are longer than they are wide: an oval is 14.6 x 10.0 mm.
No. A round 10 carat cubic zirconia is 15% narrower than a 10 carat diamond (13.9 mm).
2.00 grams. A carat is 200 milligrams for every gem.
A round 10 carat cubic zirconia covers 71% of the width of a size 6 finger. Compare it with a ring you have tried on in the finger chart above.