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15ct Diamond (Emerald, 16.48×12.21mm, White) vs 2.5ct Diamond (Princess, 7.48×7.48mm, White)


Quick summary: When looked from above (face-up position), 15ct Diamond (16.48×12.21mm, emerald cut) appears 3.3 times larger than 2.5ct Diamond (7.48×7.48mm, princess cut). See below how they compare side-by-side on a ring and finger.

15ct Diamond (emerald cut)
vs
 2.5ct Diamond (princess cut)
white
 
white
16.48×12.21 mm 7.48×7.48 mm
actual size
Actual size of 15ct Diamond (emerald cut, 16.48×12.21mm, White color)   Actual size of 2.5ct Diamond (princess cut, 7.48×7.48mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 15ct Diamond (emerald cut, 16.48×12.21mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 2.5ct Diamond (princess cut, 7.48×7.48mm) 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
 73% vs 45%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 15ct Diamond Emerald (16.48×12.21mm, White) and 2.5ct Diamond Princess (7.48×7.48mm, 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

The face-up size depends on the shape of the gem, its weight and 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.


15 Ct Diamond (Emerald) 2.5 Ct Diamond (Princess)
16.48×12.21 mm vs 7.48×7.48 mm
187.14 mm²   55.95 mm²
Face-up size outline for 15ct Diamond (16.48×12.21mm, emerald cut)
Face-up size outline for 2.5ct Diamond (7.48×7.48mm, princess cut)
15ct Diamond Emerald (16.48×12.21mm)
2.5ct Diamond Princess (7.48×7.48mm)
Difference: 234% (131.19 mm²)
15ct Diamond (Emerald, 16.48×12.21mm) has approx. 234% more face-up area than 2.5ct Diamond (Princess, 7.48×7.48mm). In other words, it's 3.34x larger.


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