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0.25ct Aquamarine (Trillion, 5.24×5.24mm, Light Blue) vs 0.25ct Topaz (Trillion, 4.8×4.8mm, Blue)


Quick summary: When looked from above (face-up position), 0.25ct Aquamarine (5.24×5.24mm, trillion cut) appears 19% larger than 0.25ct Topaz (4.8×4.8mm, trillion cut). See below how they compare side-by-side on a ring and finger.

0.25ct Aquamarine (trillion cut)
vs
 0.25ct Topaz (trillion cut)
light blue
 
blue
5.24×5.24 mm 4.8×4.8 mm
actual size
Actual size of 0.25ct Aquamarine (trillion cut, 5.24×5.24mm, Light Blue color)   Actual size of 0.25ct Topaz (trillion cut, 4.8×4.8mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Blue 0.25ct Aquamarine (trillion cut, 5.24×5.24mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.25ct Topaz (trillion cut, 4.8×4.8mm) 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
 32% vs 29%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.25ct Aquamarine Trillion (5.24×5.24mm, Light Blue) and 0.25ct Topaz Trillion (4.8×4.8mm, 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, Topaz will face-up smaller than Aquamarine for a given carat weight, because it has higher specific gravity (3.53 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.


0.25 Ct Aquamarine (Trillion) 0.25 Ct Topaz (Trillion)
5.24×5.24 mm vs 4.8×4.8 mm
17.02 mm²   14.28 mm²
Face-up size outline for 0.25ct Aquamarine (5.24×5.24mm, trillion cut)
Face-up size outline for 0.25ct Topaz (4.8×4.8mm, trillion cut)
0.25ct Aquamarine Trillion (5.24×5.24mm)
0.25ct Topaz Trillion (4.8×4.8mm)
Difference: 19% (2.74 mm²)
0.25ct Aquamarine (Trillion, 5.24×5.24mm) has approx. 19% more face-up area than 0.25ct Topaz (Trillion, 4.8×4.8mm).


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