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28ct Aquamarine (Pear, 29.37×17.69mm, Light Blue) vs 28ct Diamond (Pear, 27.47×16.55mm, White)


Quick summary: When looked from above (face-up position), 28ct Aquamarine (29.37×17.69mm, pear cut) appears 14% larger than 28ct Diamond (27.47×16.55mm, pear cut). See below how they compare side-by-side on a ring and finger.

28ct Aquamarine (pear cut)
vs
 28ct Diamond (pear cut)
light blue
 
white
29.37×17.69 mm 27.47×16.55 mm
actual size
Actual size of 28ct Aquamarine (pear cut, 29.37×17.69mm, Light Blue color)   Actual size of 28ct Diamond (pear cut, 27.47×16.55mm, 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 28ct Aquamarine (pear cut, 29.37×17.69mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 28ct Diamond (pear cut, 27.47×16.55mm) 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
 105% vs 98%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 28ct Aquamarine Pear (29.37×17.69mm, Light Blue) and 28ct Diamond Pear (27.47×16.55mm, 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.


28 Ct Aquamarine (Pear) 28 Ct Diamond (Pear)
29.37×17.69 mm vs 27.47×16.55 mm
379.28 mm²   331.88 mm²
Face-up size outline for 28ct Aquamarine (29.37×17.69mm, pear cut)
Face-up size outline for 28ct Diamond (27.47×16.55mm, pear cut)
28ct Aquamarine Pear (29.37×17.69mm)
28ct Diamond Pear (27.47×16.55mm)
Difference: 14% (47.4 mm²)
28ct Aquamarine (Pear, 29.37×17.69mm) has approx. 14% more face-up area than 28ct Diamond (Pear, 27.47×16.55mm).


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