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4.5ct Emerald (Cabochon, 12.89×8.59mm, Green) vs 34ct Kunzite (Cushion, 19.55×19.55mm, Light Purple)


Quick summary: When looked from above (face-up position), 34ct Kunzite (19.55×19.55mm, cushion cut) appears 3.8 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
 34ct Kunzite (cushion cut)
green
 
light purple
12.89×8.59 mm 19.55×19.55 mm
actual size
Actual size of 4.5ct Emerald (cabochon cut, 12.89×8.59mm, Green color)   Actual size of 34ct Kunzite (cushion cut, 19.55×19.55mm, 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 34ct Kunzite (cushion cut, 19.55×19.55mm) 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 116%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4.5ct Emerald Cabochon (12.89×8.59mm, Green) and 34ct Kunzite Cushion (19.55×19.55mm, 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) 34 Ct Kunzite (Cushion)
12.89×8.59 mm vs 19.55×19.55 mm
90.79 mm²   343.98 mm²
Face-up size outline for 34ct Kunzite (19.55×19.55mm, cushion cut)
Face-up size outline for 4.5ct Emerald (12.89×8.59mm, cabochon cut)
4.5ct Emerald Cabochon (12.89×8.59mm)
34ct Kunzite Cushion (19.55×19.55mm)
Difference: 279% (253.19 mm²)
34ct Kunzite (Cushion, 19.55×19.55mm) has approx. 279% more face-up area than 4.5ct Emerald (Cabochon, 12.89×8.59mm). In other words, it's 3.79x larger.


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