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40ct Hiddenite (Marquise, 36.44×18.22mm, Green) vs 40ct Emerald (Marquise, 38.48×19.24mm, Green)


Quick summary: When looked from above (face-up position), 40ct Emerald (38.48×19.24mm, marquise cut) appears 12% larger than 40ct Hiddenite (36.44×18.22mm, marquise cut). See below how they compare side-by-side on a ring and finger.

40ct Hiddenite (marquise cut)
vs
40ct Emerald (marquise cut)
green
 
green
36.44×18.22 mm 38.48×19.24 mm
actual size
Actual size of 40ct Hiddenite (marquise cut, 36.44×18.22mm, Green color)   Actual size of 40ct Emerald (marquise cut, 38.48×19.24mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 40ct Hiddenite (marquise cut, 36.44×18.22mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 40ct Emerald (marquise cut, 38.48×19.24mm) 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
108% vs 114%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Hiddenite Marquise (36.44×18.22mm, Green) and 40ct Emerald Marquise (38.48×19.24mm, 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, Hiddenite will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.18 vs. 2.72 - this means it's "heavier" compared to Emerald 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.


40 Ct Hiddenite (Marquise) 40 Ct Emerald (Marquise)
36.44×18.22 mm vs 38.48×19.24 mm
471.4 mm²   525.65 mm²
Face-up size outline for 40ct Emerald (38.48×19.24mm, marquise cut)
Face-up size outline for 40ct Hiddenite (36.44×18.22mm, marquise cut)
40ct Hiddenite Marquise (36.44×18.22mm)
40ct Emerald Marquise (38.48×19.24mm)
Difference: 12% (54.25 mm²)
40ct Emerald (Marquise, 38.48×19.24mm) has approx. 12% more face-up area than 40ct Hiddenite (Marquise, 36.44×18.22mm).


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