×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

2.87ct Aquamarine (Cushion, 9.06×9.06mm, Light Blue) vs 0.24ct Spinel (Round, 3.85×3.85mm, Red)


Quick summary: When looked from above (face-up position), 2.87ct Aquamarine (9.06×9.06mm, cushion cut) appears 6.4 times larger than 0.24ct Spinel (3.85×3.85mm, round cut). See below how they compare side-by-side on a ring and finger.

2.87ct Aquamarine (cushion cut)
vs
 0.24ct Spinel (round cut)
light blue
 
red
9.06×9.06 mm 3.85×3.85 mm
actual size
Actual size of 2.87ct Aquamarine (cushion cut, 9.06×9.06mm, Light Blue color)   Actual size of 0.24ct Spinel (round cut, 3.85×3.85mm, Red color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Blue 2.87ct Aquamarine (cushion cut, 9.06×9.06mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 0.24ct Spinel (round cut, 3.85×3.85mm) 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
 54% vs 23%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 2.87ct Aquamarine Cushion (9.06×9.06mm, Light Blue) and 0.24ct Spinel Round (3.85×3.85mm, Red) 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, Spinel will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.6 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.


2.87 Ct Aquamarine (Cushion) 0.24 Ct Spinel (Round)
9.06×9.06 mm vs 3.85×3.85 mm
73.88 mm²   11.64 mm²
Face-up size outline for 2.87ct Aquamarine (9.06×9.06mm, cushion cut)
Face-up size outline for 0.24ct Spinel (3.85×3.85mm, round cut)
2.87ct Aquamarine Cushion (9.06×9.06mm)
0.24ct Spinel Round (3.85×3.85mm)
Difference: 535% (62.24 mm²)
2.87ct Aquamarine (Cushion, 9.06×9.06mm) has approx. 535% more face-up area than 0.24ct Spinel (Round, 3.85×3.85mm). In other words, it's 6.35x larger.


Popular comparisons: