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0.2ct Emerald (Round, 3.99×3.99mm, Dark Bluish Green) vs 0.08ct Diamond (Round, 2.8×2.8mm, White)


Quick summary: When looked from above (face-up position), 0.2ct Emerald (3.99×3.99mm, round cut) appears 2 times larger than 0.08ct Diamond (2.8×2.8mm, round cut). See below how they compare side-by-side on a ring and finger.

0.2ct Emerald (round cut)
vs
 0.08ct Diamond (round cut)
dark bluish green
 
white
3.99×3.99 mm 2.8×2.8 mm
actual size
Actual size of 0.2ct Emerald (round cut, 3.99×3.99mm, Dark Bluish Green color)   Actual size of 0.08ct Diamond (round cut, 2.8×2.8mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Bluish Green 0.2ct Emerald (round cut, 3.99×3.99mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.08ct Diamond (round cut, 2.8×2.8mm) 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
 24% vs 17%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.2ct Emerald Round (3.99×3.99mm, Dark Bluish Green) and 0.08ct Diamond Round (2.8×2.8mm, 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.


0.2 Ct Emerald (Round) 0.08 Ct Diamond (Round)
3.99×3.99 mm vs 2.8×2.8 mm
12.5 mm²   6.16 mm²
Face-up size outline for 0.2ct Emerald (3.99×3.99mm, round cut)
Face-up size outline for 0.08ct Diamond (2.8×2.8mm, round cut)
0.2ct Emerald Round (3.99×3.99mm)
0.08ct Diamond Round (2.8×2.8mm)
Difference: 103% (6.34 mm²)
0.2ct Emerald (Round, 3.99×3.99mm) has approx. 103% more face-up area than 0.08ct Diamond (Round, 2.8×2.8mm). In other words, it's 2.03x larger.


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