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4.5ct Emerald (Cabochon, 12.89×8.59mm, Green) vs 19ct Kunzite (Cushion, 16.11×16.11mm, Light Purple)


Quick summary: When looked from above (face-up position), 19ct Kunzite (16.11×16.11mm, cushion cut) appears 2.6 times larger than 4.5ct Emerald (12.89×8.59mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

4.5ct Emerald (cabochon cut)
vs
 19ct Kunzite (cushion cut)
green
 
light purple
12.89×8.59 mm 16.11×16.11 mm
actual size
Actual size of 4.5ct Emerald (cabochon cut, 12.89×8.59mm, Green color)   Actual size of 19ct Kunzite (cushion cut, 16.11×16.11mm, Light Purple color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 4.5ct Emerald (cabochon cut, 12.89×8.59mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Purple 19ct Kunzite (cushion cut, 16.11×16.11mm) 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
 51% vs 96%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4.5ct Emerald Cabochon (12.89×8.59mm, Green) and 19ct Kunzite Cushion (16.11×16.11mm, Light Purple) 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, Kunzite will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.18 vs. 2.72 - this means it's "heavier" compared to Emerald 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.


4.5 Ct Emerald (Cabochon) 19 Ct Kunzite (Cushion)
12.89×8.59 mm vs 16.11×16.11 mm
90.79 mm²   233.58 mm²
Face-up size outline for 19ct Kunzite (16.11×16.11mm, cushion cut)
Face-up size outline for 4.5ct Emerald (12.89×8.59mm, cabochon cut)
4.5ct Emerald Cabochon (12.89×8.59mm)
19ct Kunzite Cushion (16.11×16.11mm)
Difference: 157% (142.79 mm²)
19ct Kunzite (Cushion, 16.11×16.11mm) has approx. 157% more face-up area than 4.5ct Emerald (Cabochon, 12.89×8.59mm). In other words, it's 2.57x larger.


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