×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

10ct Diamond (Marquise, 22.38×11.19mm, White) vs 10ct Cubic Zirconia (Marquise, 18.66×9.33mm, White)


Quick summary: When looked from above (face-up position), 10ct Diamond (22.38×11.19mm, marquise cut) appears 44% larger than 10ct Cubic Zirconia (18.66×9.33mm, marquise cut). See below how they compare side-by-side on a ring and finger.

10ct Diamond (marquise cut)
vs
 10ct Cubic Zirconia (marquise cut)
white
 
white
22.38×11.19 mm 18.66×9.33 mm
actual size
Actual size of 10ct Diamond (marquise cut, 22.38×11.19mm, White color)   Actual size of 10ct Cubic Zirconia (marquise cut, 18.66×9.33mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 10ct Diamond (marquise cut, 22.38×11.19mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 10ct Cubic Zirconia (marquise cut, 18.66×9.33mm) on a right ring and finger
Your settings
Ring
 Gold
Skin tone
 Light
Ring diameter
 16.9 mm
Ring width
 3.0 mm
Finger length
 64 mm
Finger coverage
 67% vs 56%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 10ct Diamond Marquise (22.38×11.19mm, White) and 10ct Cubic Zirconia Marquise (18.66×9.33mm, White) as they would appear on a ring and finger. Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.

Where to buy?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Face-up Size

All things being equal, Cubic Zirconia will face-up smaller than Diamond for a given carat weight, because it has higher specific gravity (5.65 vs. 3.52 - this means it's "heavier" compared to Diamond of the same size). Face-up size also depends heavily on the proportions of the cut.

Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.


10 Ct Diamond (Marquise) 10 Ct Cubic Zirconia (Marquise)
22.38×11.19 mm vs 18.66×9.33 mm
177.81 mm²   123.61 mm²
Face-up size outline for 10ct Diamond (22.38×11.19mm, marquise cut)
Face-up size outline for 10ct Cubic Zirconia (18.66×9.33mm, marquise cut)
10ct Diamond Marquise (22.38×11.19mm)
10ct Cubic Zirconia Marquise (18.66×9.33mm)
Difference: 44% (54.2 mm²)
10ct Diamond (Marquise, 22.38×11.19mm) has approx. 44% more face-up area than 10ct Cubic Zirconia (Marquise, 18.66×9.33mm).


Popular comparisons: