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0.2ct Topaz (Baguette, 4.23×2.82mm, Light Blue) vs 1ct Aquamarine (Oval, 8.63×5.75mm, Light Bluish Green)


Quick summary: When looked from above (face-up position), 1ct Aquamarine (8.63×5.75mm, oval cut) appears 3.4 times larger than 0.2ct Topaz (4.23×2.82mm, baguette cut). See below how they compare side-by-side on a ring and finger.

0.2ct Topaz (baguette cut)
vs
 1ct Aquamarine (oval cut)
light blue
 
light bluish green
4.23×2.82 mm 8.63×5.75 mm
actual size
Actual size of 0.2ct Topaz (baguette cut, 4.23×2.82mm, Light Blue color)   Actual size of 1ct Aquamarine (oval cut, 8.63×5.75mm, Light Bluish Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Blue 0.2ct Topaz (baguette cut, 4.23×2.82mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Bluish Green 1ct Aquamarine (oval cut, 8.63×5.75mm) 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
 17% vs 35%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.2ct Topaz Baguette (4.23×2.82mm, Light Blue) and 1ct Aquamarine Oval (8.63×5.75mm, Light Bluish Green) 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.


0.2 Ct Topaz (Baguette) 1 Ct Aquamarine (Oval)
4.23×2.82 mm vs 8.63×5.75 mm
11.93 mm²   40.69 mm²
Face-up size outline for 1ct Aquamarine (8.63×5.75mm, oval cut)
Face-up size outline for 0.2ct Topaz (4.23×2.82mm, baguette cut)
0.2ct Topaz Baguette (4.23×2.82mm)
1ct Aquamarine Oval (8.63×5.75mm)
Difference: 241% (28.76 mm²)
1ct Aquamarine (Oval, 8.63×5.75mm) has approx. 241% more face-up area than 0.2ct Topaz (Baguette, 4.23×2.82mm). In other words, it's 3.41x larger.


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