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1ct Emerald (Round, 6.82×6.82mm, Green) vs 2.6ct Diamond (Round, 8.94×8.94mm, White)


Quick summary: When looked from above (face-up position), 2.6ct Diamond (8.94×8.94mm, round cut) appears 72% larger than 1ct Emerald (6.82×6.82mm, round cut). See below how they compare side-by-side on a ring and finger.

1ct Emerald (round cut)
vs
2.6ct Diamond (round cut)
green
 
white
6.82×6.82 mm 8.94×8.94 mm
actual size
Actual size of 1ct Emerald (round cut, 6.82×6.82mm, Green color)   Actual size of 2.6ct Diamond (round cut, 8.94×8.94mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 1ct Emerald (round cut, 6.82×6.82mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 2.6ct Diamond (round cut, 8.94×8.94mm) 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
41% vs 53%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Emerald Round (6.82×6.82mm, Green) and 2.6ct Diamond Round (8.94×8.94mm, White) 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.


1 Ct Emerald (Round) 2.6 Ct Diamond (Round)
6.82×6.82 mm vs 8.94×8.94 mm
36.53 mm²   62.77 mm²
Face-up size outline for 2.6ct Diamond (8.94×8.94mm, round cut)
Face-up size outline for 1ct Emerald (6.82×6.82mm, round cut)
1ct Emerald Round (6.82×6.82mm)
2.6ct Diamond Round (8.94×8.94mm)
Difference: 72% (26.24 mm²)
2.6ct Diamond (Round, 8.94×8.94mm) has approx. 72% more face-up area than 1ct Emerald (Round, 6.82×6.82mm).


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