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11ct Ruby (Pear, 18.48×11.13mm, Red) vs 1ct Emerald (Pear, 9.46×5.7mm, Green)


Quick summary: When looked from above (face-up position), 11ct Ruby (18.48×11.13mm, pear cut) appears 3.8 times larger than 1ct Emerald (9.46×5.7mm, pear cut). See below how they compare side-by-side on a ring and finger.

11ct Ruby (pear cut)
vs
 1ct Emerald (pear cut)
red
 
green
18.48×11.13 mm 9.46×5.7 mm
actual size
Actual size of 11ct Ruby (pear cut, 18.48×11.13mm, Red color)   Actual size of 1ct Emerald (pear cut, 9.46×5.7mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 11ct Ruby (pear cut, 18.48×11.13mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 1ct Emerald (pear cut, 9.46×5.7mm) 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
 66% vs 34%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 11ct Ruby Pear (18.48×11.13mm, Red) and 1ct Emerald Pear (9.46×5.7mm, Green) 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, Ruby will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (4 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.


11 Ct Ruby (Pear) 1 Ct Emerald (Pear)
18.48×11.13 mm vs 9.46×5.7 mm
150.15 mm²   39.36 mm²
Face-up size outline for 11ct Ruby (18.48×11.13mm, pear cut)
Face-up size outline for 1ct Emerald (9.46×5.7mm, pear cut)
11ct Ruby Pear (18.48×11.13mm)
1ct Emerald Pear (9.46×5.7mm)
Difference: 281% (110.79 mm²)
11ct Ruby (Pear, 18.48×11.13mm) has approx. 281% more face-up area than 1ct Emerald (Pear, 9.46×5.7mm). In other words, it's 3.81x larger.


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