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0.15ct Emerald (Baguette, 4.2×2.8mm, Green) vs 3.05ct Diamond (Emerald, 9.69×7.18mm, White)


Quick summary: When looked from above (face-up position), 3.05ct Diamond (9.69×7.18mm, emerald cut) appears 5.5 times larger than 0.15ct Emerald (4.2×2.8mm, baguette cut). See below how they compare side-by-side on a ring and finger.

0.15ct Emerald (baguette cut)
vs
3.05ct Diamond (emerald cut)
green
 
white
4.2×2.8 mm 9.69×7.18 mm
actual size
Actual size of 0.15ct Emerald (baguette cut, 4.2×2.8mm, Green color)   Actual size of 3.05ct Diamond (emerald cut, 9.69×7.18mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 0.15ct Emerald (baguette cut, 4.2×2.8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 3.05ct Diamond (emerald cut, 9.69×7.18mm) 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
17% vs 43%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.15ct Emerald Baguette (4.2×2.8mm, Green) and 3.05ct Diamond Emerald (9.69×7.18mm, 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.


0.15 Ct Emerald (Baguette) 3.05 Ct Diamond (Emerald)
4.2×2.8 mm vs 9.69×7.18 mm
11.76 mm²   64.7 mm²
Face-up size outline for 3.05ct Diamond (9.69×7.18mm, emerald cut)
Face-up size outline for 0.15ct Emerald (4.2×2.8mm, baguette cut)
0.15ct Emerald Baguette (4.2×2.8mm)
3.05ct Diamond Emerald (9.69×7.18mm)
Difference: 450% (52.94 mm²)
3.05ct Diamond (Emerald, 9.69×7.18mm) has approx. 450% more face-up area than 0.15ct Emerald (Baguette, 4.2×2.8mm). In other words, it's 5.5x larger.


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