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4ct Fluorite (Cushion, 9.49×9.49mm, Bluish Green) vs 4ct Aquamarine (Cushion, 9.99×9.99mm, Light Blue)


Quick summary: When looked from above (face-up position), 4ct Aquamarine (9.99×9.99mm, cushion cut) appears 11% larger than 4ct Fluorite (9.49×9.49mm, cushion cut). See below how they compare side-by-side on a ring and finger.

4ct Fluorite (cushion cut)
vs
4ct Aquamarine (cushion cut)
bluish green
 
light blue
9.49×9.49 mm 9.99×9.99 mm
actual size
Actual size of 4ct Fluorite (cushion cut, 9.49×9.49mm, Bluish Green color)   Actual size of 4ct Aquamarine (cushion cut, 9.99×9.99mm, Light Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Bluish Green 4ct Fluorite (cushion cut, 9.49×9.49mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Blue 4ct Aquamarine (cushion cut, 9.99×9.99mm) 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
57% vs 60%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 4ct Fluorite Cushion (9.49×9.49mm, Bluish Green) and 4ct Aquamarine Cushion (9.99×9.99mm, 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, Fluorite will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.18 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.


4 Ct Fluorite (Cushion) 4 Ct Aquamarine (Cushion)
9.49×9.49 mm vs 9.99×9.99 mm
81.05 mm²   89.82 mm²
Face-up size outline for 4ct Aquamarine (9.99×9.99mm, cushion cut)
Face-up size outline for 4ct Fluorite (9.49×9.49mm, cushion cut)
4ct Fluorite Cushion (9.49×9.49mm)
4ct Aquamarine Cushion (9.99×9.99mm)
Difference: 11% (8.77 mm²)
4ct Aquamarine (Cushion, 9.99×9.99mm) has approx. 11% more face-up area than 4ct Fluorite (Cushion, 9.49×9.49mm).


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