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0.62ct Kyanite (Pear, 7.29×4.39mm, Blue) vs 2.87ct Aquamarine (Princess, 8.71×8.71mm, Light Blue)


Quick summary: When looked from above (face-up position), 2.87ct Aquamarine (8.71×8.71mm, princess cut) appears 3.3 times larger than 0.62ct Kyanite (7.29×4.39mm, pear cut). See below how they compare side-by-side on a ring and finger.

0.62ct Kyanite (pear cut)
vs
 2.87ct Aquamarine (princess cut)
blue
 
light blue
7.29×4.39 mm 8.71×8.71 mm
actual size
Actual size of 0.62ct Kyanite (pear cut, 7.29×4.39mm, Blue color)   Actual size of 2.87ct Aquamarine (princess cut, 8.71×8.71mm, Light Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.62ct Kyanite (pear cut, 7.29×4.39mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 2.87ct Aquamarine (princess cut, 8.71×8.71mm) 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
 26% vs 52%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.62ct Kyanite Pear (7.29×4.39mm, Blue) and 2.87ct Aquamarine Princess (8.71×8.71mm, Light Blue) 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, Kyanite will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.68 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.


0.62 Ct Kyanite (Pear) 2.87 Ct Aquamarine (Princess)
7.29×4.39 mm vs 8.71×8.71 mm
23.36 mm²   75.86 mm²
Face-up size outline for 2.87ct Aquamarine (8.71×8.71mm, princess cut)
Face-up size outline for 0.62ct Kyanite (7.29×4.39mm, pear cut)
0.62ct Kyanite Pear (7.29×4.39mm)
2.87ct Aquamarine Princess (8.71×8.71mm)
Difference: 225% (52.5 mm²)
2.87ct Aquamarine (Princess, 8.71×8.71mm) has approx. 225% more face-up area than 0.62ct Kyanite (Pear, 7.29×4.39mm). In other words, it's 3.25x larger.


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