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19ct Diamond (Heart, 17.51×17.51mm, White) vs 19ct Emerald (Heart, 18.99×18.99mm, Green)


Quick summary: When looked from above (face-up position), 19ct Emerald (18.99×18.99mm, heart cut) appears 18% larger than 19ct Diamond (17.51×17.51mm, heart cut). See below how they compare side-by-side on a ring and finger.

19ct Diamond (heart cut)
vs
19ct Emerald (heart cut)
white
 
green
17.51×17.51 mm 18.99×18.99 mm
actual size
Actual size of 19ct Diamond (heart cut, 17.51×17.51mm, White color)   Actual size of 19ct Emerald (heart cut, 18.99×18.99mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 19ct Diamond (heart cut, 17.51×17.51mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 19ct Emerald (heart cut, 18.99×18.99mm) 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
104% vs 113%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 19ct Diamond Heart (17.51×17.51mm, White) and 19ct Emerald Heart (18.99×18.99mm, 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.


19 Ct Diamond (Heart) 19 Ct Emerald (Heart)
17.51×17.51 mm vs 18.99×18.99 mm
220.75 mm²   259.65 mm²
Face-up size outline for 19ct Emerald (18.99×18.99mm, heart cut)
Face-up size outline for 19ct Diamond (17.51×17.51mm, heart cut)
19ct Diamond Heart (17.51×17.51mm)
19ct Emerald Heart (18.99×18.99mm)
Difference: 18% (38.9 mm²)
19ct Emerald (Heart, 18.99×18.99mm) has approx. 18% more face-up area than 19ct Diamond (Heart, 17.51×17.51mm).


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