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33ct Diamond (Asscher, 18×18mm, White) vs 33ct Emerald (Asscher, 19.45×19.45mm, Green)


Quick summary: When looked from above (face-up position), 33ct Emerald (19.45×19.45mm, asscher cut) appears 17% larger than 33ct Diamond (18×18mm, asscher cut). See below how they compare side-by-side on a ring and finger.

33ct Diamond (asscher cut)
vs
33ct Emerald (asscher cut)
white
 
green
18×18 mm 19.45×19.45 mm
actual size
Actual size of 33ct Diamond (asscher cut, 18×18mm, White color)   Actual size of 33ct Emerald (asscher cut, 19.45×19.45mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 33ct Diamond (asscher cut, 18×18mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 33ct Emerald (asscher cut, 19.45×19.45mm) 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
107% vs 116%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 33ct Diamond Asscher (18×18mm, White) and 33ct Emerald Asscher (19.45×19.45mm, 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, Diamond will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.52 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.


33 Ct Diamond (Asscher) 33 Ct Emerald (Asscher)
18×18 mm vs 19.45×19.45 mm
298.08 mm²   348.04 mm²
Face-up size outline for 33ct Emerald (19.45×19.45mm, asscher cut)
Face-up size outline for 33ct Diamond (18×18mm, asscher cut)
33ct Diamond Asscher (18×18mm)
33ct Emerald Asscher (19.45×19.45mm)
Difference: 17% (49.96 mm²)
33ct Emerald (Asscher, 19.45×19.45mm) has approx. 17% more face-up area than 33ct Diamond (Asscher, 18×18mm).


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