How big is a 0.5 carat cubic zirconia?
By HeyGema™ · Updated
In short
A 0.5 carat round cubic zirconia measures about 4.3 mm across (0.17 inches), 15% narrower than a 0.5 carat diamond (5.1 mm). An oval of the same weight is 5.4 x 3.7 mm and an emerald cut 4.7 x 3.4 mm.
- 4.3 mmround cubic zirconia, across
- 0.17 inthe same in inches
- 0.10 gweight
- 26%of a size 6 finger's width
Carat to mm calculator
About 4.3 x 4.3 mm
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
Round
4.3 mm
Oval
5.4 x 3.7 mm
Cushion
3.8 x 3.8 mm
Princess
3.7 x 3.7 mm
Emerald cut
4.7 x 3.4 mm
Asscher
3.7 x 3.7 mm
Radiant
4.4 x 3.4 mm
Pear
5.7 x 3.7 mm
Marquise
7.0 x 3.5 mm
Heart
4.4 x 4.4 mm
Trillion
4.7 x 4.7 mm
Baguette
5.4 x 2.7 mm
= 2 mm in every picture above
0.5 carat cubic zirconia size by shape
Face-up measurements of a well-cut 0.5 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: 4.3 mm
- In inches: 0.17 in
- Oval
- Length x width: 5.4 x 3.7 mm
- In inches: 0.21 x 0.15 in
- Cushion
- Length x width: 3.8 x 3.8 mm
- In inches: 0.15 x 0.15 in
- Princess
- Length x width: 3.7 x 3.7 mm
- In inches: 0.15 x 0.15 in
- Emerald cut
- Length x width: 4.7 x 3.4 mm
- In inches: 0.19 x 0.13 in
- Asscher
- Length x width: 3.7 x 3.7 mm
- In inches: 0.15 x 0.15 in
- Radiant
- Length x width: 4.4 x 3.4 mm
- In inches: 0.17 x 0.13 in
- Pear
- Length x width: 5.7 x 3.7 mm
- In inches: 0.22 x 0.15 in
- Marquise
- Length x width: 7.0 x 3.5 mm
- In inches: 0.28 x 0.14 in
- Heart
- Length x width: 4.4 x 4.4 mm
- In inches: 0.17 x 0.17 in
- Trillion
- Length x width: 4.7 x 4.7 mm
- In inches: 0.19 x 0.19 in
- Baguette
- Length x width: 5.4 x 2.69 mm
- In inches: 0.21 x 0.11 in
0.5 carat cubic zirconia against other gems
- Diamond
- Round, 0.5 carat: 5.1 mm
- Moissanite
- Round, 0.5 carat: 5.3 mm
- Sapphire
- Round, 0.5 carat: 4.9 mm
- Ruby
- Round, 0.5 carat: 4.9 mm
- Emerald
- Round, 0.5 carat: 5.6 mm
- Aquamarine
- Round, 0.5 carat: 5.6 mm
- Morganite
- Round, 0.5 carat: 5.5 mm
- Tanzanite
- Round, 0.5 carat: 5.2 mm
- Cubic zirconia (this page)
- Round, 0.5 carat: 4.3 mm
0.5 carat cubic zirconia on a finger
- 4
- Finger width: 14.9 mm
- Round covers: 29%
- Oval covers: 25%
- 5
- Finger width: 15.7 mm
- Round covers: 28%
- Oval covers: 24%
- 6
- Finger width: 16.5 mm
- Round covers: 26%
- Oval covers: 22%
- 7
- Finger width: 17.3 mm
- Round covers: 25%
- Oval covers: 21%
- 8
- Finger width: 18.1 mm
- Round covers: 24%
- Oval covers: 20%
- 9
- Finger width: 18.9 mm
- Round covers: 23%
- Oval covers: 20%
Cubic zirconia at nearby weights
- 0.5 ct (this page)
- Round diameter: 4.3 mm
- 1 carat cubic zirconia
- Round diameter: 5.5 mm
Questions
A round 0.5 carat cubic zirconia is about 4.3 mm across. Other shapes are longer than they are wide: an oval is 5.4 x 3.7 mm.
No. A round 0.5 carat cubic zirconia is 15% narrower than a 0.5 carat diamond (5.1 mm).
0.10 grams. A carat is 200 milligrams for every gem.
A round 0.5 carat cubic zirconia covers 26% of the width of a size 6 finger. Compare it with a ring you have tried on in the finger chart above.