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5.5ct Hiddenite (Marquise, 18.52×9.26mm, Light Green ) vs 5.5ct Apatite (Marquise, 18.48×9.24mm, Green)


Quick summary: When looked from above (face-up position), 5.5ct Hiddenite (18.52×9.26mm, marquise cut) appears 0.4% larger than 5.5ct Apatite (18.48×9.24mm, marquise cut). See below how they compare side-by-side on a ring and finger.

5.5ct Hiddenite (marquise cut)
vs
5.5ct Apatite (marquise cut)
light green
 
green
18.52×9.26 mm 18.48×9.24 mm
actual size
Actual size of 5.5ct Hiddenite (marquise cut, 18.52×9.26mm, Light Green  color)   Actual size of 5.5ct Apatite (marquise cut, 18.48×9.24mm, Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Green  5.5ct Hiddenite (marquise cut, 18.52×9.26mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 5.5ct Apatite (marquise cut, 18.48×9.24mm) 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
55% vs 55%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 5.5ct Hiddenite Marquise (18.52×9.26mm, Light Green ) and 5.5ct Apatite Marquise (18.48×9.24mm, 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, Apatite will face-up slightly smaller than Hiddenite for a given carat weight, because it has higher specific gravity (3.2 vs. 3.18 - this means it's "slightly heavier" compared to Hiddenite 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.


5.5 Ct Hiddenite (Marquise) 5.5 Ct Apatite (Marquise)
18.52×9.26 mm vs 18.48×9.24 mm
121.76 mm²   121.24 mm²
Face-up size outline for 5.5ct Hiddenite (18.52×9.26mm, marquise cut)
Face-up size outline for 5.5ct Apatite (18.48×9.24mm, marquise cut)
5.5ct Hiddenite Marquise (18.52×9.26mm)
5.5ct Apatite Marquise (18.48×9.24mm)
Difference: 0.4% (0.52 mm²)
5.5ct Hiddenite (Marquise, 18.52×9.26mm) has approx. 0.4% more face-up area than 5.5ct Apatite (Marquise, 18.48×9.24mm).


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