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2ct Aquamarine (Emerald, 9.17×6.79mm, Light Blue) vs 0.05ct Diamond (Marquise, 3.82×1.91mm, White)


Quick summary: When looked from above (face-up position), 2ct Aquamarine (9.17×6.79mm, emerald cut) appears 11.2 times larger than 0.05ct Diamond (3.82×1.91mm, marquise cut). See below how they compare side-by-side on a ring and finger.

2ct Aquamarine (emerald cut)
vs
 0.05ct Diamond (marquise cut)
light blue
 
white
9.17×6.79 mm 3.82×1.91 mm
actual size
Actual size of 2ct Aquamarine (emerald cut, 9.17×6.79mm, Light Blue color)   Actual size of 0.05ct Diamond (marquise cut, 3.82×1.91mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Blue 2ct Aquamarine (emerald cut, 9.17×6.79mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.05ct Diamond (marquise cut, 3.82×1.91mm) 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
 41% vs 12%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 2ct Aquamarine Emerald (9.17×6.79mm, Light Blue) and 0.05ct Diamond Marquise (3.82×1.91mm, 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 Aquamarine for a given carat weight, because it has higher specific gravity (3.52 vs. 2.72 - this means it's "heavier" compared to Aquamarine 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.


2 Ct Aquamarine (Emerald) 0.05 Ct Diamond (Marquise)
9.17×6.79 mm vs 3.82×1.91 mm
57.91 mm²   5.18 mm²
Face-up size outline for 2ct Aquamarine (9.17×6.79mm, emerald cut)
Face-up size outline for 0.05ct Diamond (3.82×1.91mm, marquise cut)
2ct Aquamarine Emerald (9.17×6.79mm)
0.05ct Diamond Marquise (3.82×1.91mm)
Difference: 1018% (52.73 mm²)
2ct Aquamarine (Emerald, 9.17×6.79mm) has approx. 1018% more face-up area than 0.05ct Diamond (Marquise, 3.82×1.91mm). In other words, it's 11.18x larger.


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