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0.1ct Diamond (Marquise, 4.82×2.41mm, White) vs 2.64ct Emerald (Emerald, 9.3×7.4mm, Green)


Quick summary: When looked from above (face-up position), 2.64ct Emerald (9.3×7.4mm, emerald cut) appears 7.8 times larger than 0.1ct Diamond (4.82×2.41mm, marquise cut). See below how they compare side-by-side on a ring and finger.

0.1ct Diamond (marquise cut)
vs
2.64ct Emerald (emerald cut)
white
 
green
4.82×2.41 mm 9.3×7.4 mm
actual size
Actual size of 0.1ct Diamond (marquise cut, 4.82×2.41mm, White color)   Actual size of 2.64ct Emerald (emerald cut, 9.3×7.4mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.1ct Diamond (marquise cut, 4.82×2.41mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 2.64ct Emerald (emerald cut, 9.3×7.4mm) 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
15% vs 44%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.1ct Diamond Marquise (4.82×2.41mm, White) and 2.64ct Emerald Emerald (9.3×7.4mm, 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, 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.


0.1 Ct Diamond (Marquise) 2.64 Ct Emerald (Emerald)
4.82×2.41 mm vs 9.3×7.4 mm
8.25 mm²   64 mm²
Face-up size outline for 2.64ct Emerald (9.3×7.4mm, emerald cut)
Face-up size outline for 0.1ct Diamond (4.82×2.41mm, marquise cut)
0.1ct Diamond Marquise (4.82×2.41mm)
2.64ct Emerald Emerald (9.3×7.4mm)
Difference: 676% (55.75 mm²)
2.64ct Emerald (Emerald, 9.3×7.4mm) has approx. 676% more face-up area than 0.1ct Diamond (Marquise, 4.82×2.41mm). In other words, it's 7.76x larger.


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