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4.55ct Citrine (Marquise, 18.76×9.38mm, Light Orange) vs 1.8ct Aquamarine (Princess, 7.45×7.45mm, Light Bluish Green)


Quick summary: When looked from above (face-up position), 4.55ct Citrine (18.76×9.38mm, marquise cut) appears 2.3 times larger than 1.8ct Aquamarine (7.45×7.45mm, princess cut). See below how they compare side-by-side on a ring and finger.

4.55ct Citrine (marquise cut)
vs
 1.8ct Aquamarine (princess cut)
light orange
 
light bluish green
18.76×9.38 mm 7.45×7.45 mm
actual size
Actual size of 4.55ct Citrine (marquise cut, 18.76×9.38mm, Light Orange color)   Actual size of 1.8ct Aquamarine (princess cut, 7.45×7.45mm, 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 Orange 4.55ct Citrine (marquise cut, 18.76×9.38mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Bluish Green 1.8ct Aquamarine (princess cut, 7.45×7.45mm) 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
 56% vs 45%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 4.55ct Citrine Marquise (18.76×9.38mm, Light Orange) and 1.8ct Aquamarine Princess (7.45×7.45mm, 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, Aquamarine will face-up slightly smaller than Citrine for a given carat weight, because it has higher specific gravity (2.72 vs. 2.65 - this means it's "slightly heavier" compared to Citrine 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.


4.55 Ct Citrine (Marquise) 1.8 Ct Aquamarine (Princess)
18.76×9.38 mm vs 7.45×7.45 mm
124.94 mm²   55.5 mm²
Face-up size outline for 4.55ct Citrine (18.76×9.38mm, marquise cut)
Face-up size outline for 1.8ct Aquamarine (7.45×7.45mm, princess cut)
4.55ct Citrine Marquise (18.76×9.38mm)
1.8ct Aquamarine Princess (7.45×7.45mm)
Difference: 125% (69.44 mm²)
4.55ct Citrine (Marquise, 18.76×9.38mm) has approx. 125% more face-up area than 1.8ct Aquamarine (Princess, 7.45×7.45mm). In other words, it's 2.25x larger.


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