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8ct Emerald (Emerald, 14.55×10.78mm, Green) vs 1.2ct Diamond (Princess, 5.86×5.86mm, White)


Quick summary: When looked from above (face-up position), 8ct Emerald (14.55×10.78mm, emerald cut) appears 4.3 times larger than 1.2ct Diamond (5.86×5.86mm, princess cut). See below how they compare side-by-side on a ring and finger.

8ct Emerald (emerald cut)
vs
 1.2ct Diamond (princess cut)
green
 
white
14.55×10.78 mm 5.86×5.86 mm
actual size
Actual size of 8ct Emerald (emerald cut, 14.55×10.78mm, Green color)   Actual size of 1.2ct Diamond (princess cut, 5.86×5.86mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 8ct Emerald (emerald cut, 14.55×10.78mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 1.2ct Diamond (princess cut, 5.86×5.86mm) 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
 64% vs 35%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 8ct Emerald Emerald (14.55×10.78mm, Green) and 1.2ct Diamond Princess (5.86×5.86mm, 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, Diamond will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.52 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.


8 Ct Emerald (Emerald) 1.2 Ct Diamond (Princess)
14.55×10.78 mm vs 5.86×5.86 mm
145.87 mm²   34.34 mm²
Face-up size outline for 8ct Emerald (14.55×10.78mm, emerald cut)
Face-up size outline for 1.2ct Diamond (5.86×5.86mm, princess cut)
8ct Emerald Emerald (14.55×10.78mm)
1.2ct Diamond Princess (5.86×5.86mm)
Difference: 325% (111.53 mm²)
8ct Emerald (Emerald, 14.55×10.78mm) has approx. 325% more face-up area than 1.2ct Diamond (Princess, 5.86×5.86mm). In other words, it's 4.25x larger.


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