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5ct Ruby (Cabochon, 11.7×7.8mm, Red) vs 1ct Ruby (Oval, 7.56×5.04mm, Red)


Quick summary: When looked from above (face-up position), 5ct Ruby (11.7×7.8mm, cabochon cut) appears 2.4 times larger than 1ct Ruby (7.56×5.04mm, oval cut). See below how they compare side-by-side on a ring and finger.

5ct Ruby (cabochon cut)
vs
 1ct Ruby (oval cut)
red
 
red
11.7×7.8 mm 7.56×5.04 mm
actual size
Actual size of 5ct Ruby (cabochon cut, 11.7×7.8mm, Red color)   Actual size of 1ct Ruby (oval cut, 7.56×5.04mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 5ct Ruby (cabochon cut, 11.7×7.8mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 1ct Ruby (oval cut, 7.56×5.04mm) 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
 47% vs 30%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Ruby Cabochon (11.7×7.8mm, Red) and 1ct Ruby Oval (7.56×5.04mm, 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.


5 Ct Ruby (Cabochon) 1 Ct Ruby (Oval)
11.7×7.8 mm vs 7.56×5.04 mm
74.83 mm²   31.24 mm²
Face-up size outline for 5ct Ruby (11.7×7.8mm, cabochon cut)
Face-up size outline for 1ct Ruby (7.56×5.04mm, oval cut)
5ct Ruby Cabochon (11.7×7.8mm)
1ct Ruby Oval (7.56×5.04mm)
Difference: 140% (43.59 mm²)
5ct Ruby (Cabochon, 11.7×7.8mm) has approx. 140% more face-up area than 1ct Ruby (Oval, 7.56×5.04mm). In other words, it's 2.4x larger.


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