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3ct Ruby (Round, 8.62×8.62mm, Red) vs 10ct Ruby (Oval, 16.29×10.86mm, Red)


Quick summary: When looked from above (face-up position), 10ct Ruby (16.29×10.86mm, oval cut) appears 2.5 times larger than 3ct Ruby (8.62×8.62mm, round cut). See below how they compare side-by-side on a ring and finger.

3ct Ruby (round cut)
vs
 10ct Ruby (oval cut)
red
 
red
8.62×8.62 mm 16.29×10.86 mm
actual size
Actual size of 3ct Ruby (round cut, 8.62×8.62mm, Red color)   Actual size of 10ct Ruby (oval cut, 16.29×10.86mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 3ct Ruby (round cut, 8.62×8.62mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 10ct Ruby (oval cut, 16.29×10.86mm) 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
 52% vs 65%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 3ct Ruby Round (8.62×8.62mm, Red) and 10ct Ruby Oval (16.29×10.86mm, 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.


3 Ct Ruby (Round) 10 Ct Ruby (Oval)
8.62×8.62 mm vs 16.29×10.86 mm
58.36 mm²   145.07 mm²
Face-up size outline for 10ct Ruby (16.29×10.86mm, oval cut)
Face-up size outline for 3ct Ruby (8.62×8.62mm, round cut)
3ct Ruby Round (8.62×8.62mm)
10ct Ruby Oval (16.29×10.86mm)
Difference: 149% (86.71 mm²)
10ct Ruby (Oval, 16.29×10.86mm) has approx. 149% more face-up area than 3ct Ruby (Round, 8.62×8.62mm). In other words, it's 2.49x larger.


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