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9.5ct Diamond (Pear, 19.16×11.54mm, White) vs 9.5ct Cubic Zirconia (Pear, 16.05×9.67mm, White)


Quick summary: When looked from above (face-up position), 9.5ct Diamond (19.16×11.54mm, pear cut) appears 42% larger than 9.5ct Cubic Zirconia (16.05×9.67mm, pear cut). See below how they compare side-by-side on a ring and finger.

9.5ct Diamond (pear cut)
vs
 9.5ct Cubic Zirconia (pear cut)
white
 
white
19.16×11.54 mm 16.05×9.67 mm
actual size
Actual size of 9.5ct Diamond (pear cut, 19.16×11.54mm, White color)   Actual size of 9.5ct Cubic Zirconia (pear cut, 16.05×9.67mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 9.5ct Diamond (pear cut, 19.16×11.54mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 9.5ct Cubic Zirconia (pear cut, 16.05×9.67mm) 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
 69% vs 58%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 9.5ct Diamond Pear (19.16×11.54mm, White) and 9.5ct Cubic Zirconia Pear (16.05×9.67mm, 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.


9.5 Ct Diamond (Pear) 9.5 Ct Cubic Zirconia (Pear)
19.16×11.54 mm vs 16.05×9.67 mm
161.41 mm²   113.3 mm²
Face-up size outline for 9.5ct Diamond (19.16×11.54mm, pear cut)
Face-up size outline for 9.5ct Cubic Zirconia (16.05×9.67mm, pear cut)
9.5ct Diamond Pear (19.16×11.54mm)
9.5ct Cubic Zirconia Pear (16.05×9.67mm)
Difference: 42% (48.11 mm²)
9.5ct Diamond (Pear, 19.16×11.54mm) has approx. 42% more face-up area than 9.5ct Cubic Zirconia (Pear, 16.05×9.67mm).


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