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1.2ct Diamond (Trillion, 8.22×8.22mm, White) vs 1.37ct Diamond (Marquise, 15×5mm, White)


Quick summary: When looked from above (face-up position), 1.37ct Diamond (15×5mm, marquise cut) appears 27% larger than 1.2ct Diamond (8.22×8.22mm, trillion cut). See below how they compare side-by-side on a ring and finger.

1.2ct Diamond (trillion cut)
vs
 1.37ct Diamond (marquise cut)
white
 
white
8.22×8.22 mm 15×5 mm
actual size
Actual size of 1.2ct Diamond (trillion cut, 8.22×8.22mm, White color)   Actual size of 1.37ct Diamond (marquise cut, 15×5mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.2ct Diamond (trillion cut, 8.22×8.22mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 1.37ct Diamond (marquise cut, 15×5mm) 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
 49% vs 30%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.2ct Diamond Trillion (8.22×8.22mm, White) and 1.37ct Diamond Marquise (15×5mm, 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

The face-up size depends on the shape of the gem, its weight and 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.


1.2 Ct Diamond (Trillion) 1.37 Ct Diamond (Marquise)
8.22×8.22 mm vs 15×5 mm
41.89 mm²   53.25 mm²
Face-up size outline for 1.37ct Diamond (15×5mm, marquise cut)
Face-up size outline for 1.2ct Diamond (8.22×8.22mm, trillion cut)
1.2ct Diamond Trillion (8.22×8.22mm)
1.37ct Diamond Marquise (15×5mm)
Difference: 27% (11.36 mm²)
1.37ct Diamond (Marquise, 15×5mm) has approx. 27% more face-up area than 1.2ct Diamond (Trillion, 8.22×8.22mm).


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