How big is a 5 carat cubic zirconia?
By HeyGema™ · Updated
In short
A 5 carat round cubic zirconia measures about 9.3 mm across (0.37 inches), 15% narrower than a 5 carat diamond (11.0 mm). An oval of the same weight is 11.6 x 8.0 mm and an emerald cut 10.1 x 7.2 mm.
- 9.3 mmround cubic zirconia, across
- 0.37 inthe same in inches
- 1.00 gweight
- 57%of a size 6 finger's width
Carat to mm calculator
About 9.3 x 9.3 mm
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
Round
9.3 mm
Oval
11.6 x 8.0 mm
Cushion
8.1 x 8.1 mm
Princess
8.0 x 8.0 mm
Emerald cut
10.1 x 7.2 mm
Asscher
8.0 x 8.0 mm
Radiant
9.4 x 7.2 mm
Pear
12.3 x 8.0 mm
Marquise
15.1 x 7.5 mm
Heart
9.4 x 9.4 mm
Trillion
10.1 x 10.1 mm
Baguette
11.6 x 5.8 mm
= 5 mm in every picture above
5 carat cubic zirconia size by shape
Face-up measurements of a well-cut 5 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: 9.3 mm
- In inches: 0.37 in
- Oval
- Length x width: 11.6 x 8.0 mm
- In inches: 0.46 x 0.31 in
- Cushion
- Length x width: 8.1 x 8.1 mm
- In inches: 0.32 x 0.32 in
- Princess
- Length x width: 8.0 x 8.0 mm
- In inches: 0.31 x 0.31 in
- Emerald cut
- Length x width: 10.1 x 7.2 mm
- In inches: 0.40 x 0.28 in
- Asscher
- Length x width: 8.0 x 8.0 mm
- In inches: 0.31 x 0.31 in
- Radiant
- Length x width: 9.4 x 7.2 mm
- In inches: 0.37 x 0.28 in
- Pear
- Length x width: 12.3 x 8.0 mm
- In inches: 0.48 x 0.31 in
- Marquise
- Length x width: 15.1 x 7.5 mm
- In inches: 0.59 x 0.30 in
- Heart
- Length x width: 9.4 x 9.4 mm
- In inches: 0.37 x 0.37 in
- Trillion
- Length x width: 10.1 x 10.1 mm
- In inches: 0.40 x 0.40 in
- Baguette
- Length x width: 11.6 x 5.8 mm
- In inches: 0.46 x 0.23 in
5 carat cubic zirconia against other gems
- Diamond
- Round, 5 carat: 11.0 mm
- Moissanite
- Round, 5 carat: 11.4 mm
- Sapphire
- Round, 5 carat: 10.6 mm
- Ruby
- Round, 5 carat: 10.6 mm
- Emerald
- Round, 5 carat: 12.0 mm
- Aquamarine
- Round, 5 carat: 12.0 mm
- Morganite
- Round, 5 carat: 11.9 mm
- Tanzanite
- Round, 5 carat: 11.2 mm
- Cubic zirconia (this page)
- Round, 5 carat: 9.3 mm
5 carat cubic zirconia on a finger
- 4
- Finger width: 14.9 mm
- Round covers: 63%
- Oval covers: 54%
- 5
- Finger width: 15.7 mm
- Round covers: 60%
- Oval covers: 51%
- 6
- Finger width: 16.5 mm
- Round covers: 57%
- Oval covers: 48%
- 7
- Finger width: 17.3 mm
- Round covers: 54%
- Oval covers: 46%
- 8
- Finger width: 18.1 mm
- Round covers: 51%
- Oval covers: 44%
- 9
- Finger width: 18.9 mm
- Round covers: 49%
- Oval covers: 42%
Cubic zirconia at nearby weights
- 4 carat cubic zirconia
- Round diameter: 8.7 mm
- 5 ct (this page)
- Round diameter: 9.3 mm
- 10 carat cubic zirconia
- Round diameter: 11.8 mm
Questions
A round 5 carat cubic zirconia is about 9.3 mm across. Other shapes are longer than they are wide: an oval is 11.6 x 8.0 mm.
No. A round 5 carat cubic zirconia is 15% narrower than a 5 carat diamond (11.0 mm).
1.00 grams. A carat is 200 milligrams for every gem.
A round 5 carat cubic zirconia covers 57% of the width of a size 6 finger. Compare it with a ring you have tried on in the finger chart above.