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40ct Diamond (Oval, 27.75×18.5mm, White) vs 6ct Diamond (Trillion, 14.06×14.06mm, White)


Quick summary: When looked from above (face-up position), 40ct Diamond (27.75×18.5mm, oval cut) appears 3.4 times larger than 6ct Diamond (14.06×14.06mm, trillion cut). See below how they compare side-by-side on a ring and finger.

40ct Diamond (oval cut)
vs
 6ct Diamond (trillion cut)
white
 
white
27.75×18.5 mm 14.06×14.06 mm
actual size
Actual size of 40ct Diamond (oval cut, 27.75×18.5mm, White color)   Actual size of 6ct Diamond (trillion cut, 14.06×14.06mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 40ct Diamond (oval cut, 27.75×18.5mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 6ct Diamond (trillion cut, 14.06×14.06mm) 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
 110% vs 84%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Diamond Oval (27.75×18.5mm, White) and 6ct Diamond Trillion (14.06×14.06mm, 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.


40 Ct Diamond (Oval) 6 Ct Diamond (Trillion)
27.75×18.5 mm vs 14.06×14.06 mm
420.97 mm²   122.56 mm²
Face-up size outline for 40ct Diamond (27.75×18.5mm, oval cut)
Face-up size outline for 6ct Diamond (14.06×14.06mm, trillion cut)
40ct Diamond Oval (27.75×18.5mm)
6ct Diamond Trillion (14.06×14.06mm)
Difference: 243% (298.41 mm²)
40ct Diamond (Oval, 27.75×18.5mm) has approx. 243% more face-up area than 6ct Diamond (Trillion, 14.06×14.06mm). In other words, it's 3.43x larger.


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