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1ct Ruby (Trillion, 7.03×7.03mm, Red) vs 0.85ct Ruby (Oval, 7.17×4.78mm, Red)


Quick summary: When looked from above (face-up position), 1ct Ruby (7.03×7.03mm, trillion cut) appears 9% larger than 0.85ct Ruby (7.17×4.78mm, oval cut). See below how they compare side-by-side on a ring and finger.

1ct Ruby (trillion cut)
vs
0.85ct Ruby (oval cut)
red
 
red
7.03×7.03 mm 7.17×4.78 mm
actual size
Actual size of 1ct Ruby (trillion cut, 7.03×7.03mm, Red color)   Actual size of 0.85ct Ruby (oval cut, 7.17×4.78mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 1ct Ruby (trillion cut, 7.03×7.03mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 0.85ct Ruby (oval cut, 7.17×4.78mm) 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
42% vs 29%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1ct Ruby Trillion (7.03×7.03mm, Red) and 0.85ct Ruby Oval (7.17×4.78mm, Red) 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 Ct Ruby (Trillion) 0.85 Ct Ruby (Oval)
7.03×7.03 mm vs 7.17×4.78 mm
30.64 mm²   28.1 mm²
Face-up size outline for 1ct Ruby (7.03×7.03mm, trillion cut)
Face-up size outline for 0.85ct Ruby (7.17×4.78mm, oval cut)
1ct Ruby Trillion (7.03×7.03mm)
0.85ct Ruby Oval (7.17×4.78mm)
Difference: 9% (2.54 mm²)
1ct Ruby (Trillion, 7.03×7.03mm) has approx. 9% more face-up area than 0.85ct Ruby (Oval, 7.17×4.78mm).


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