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2.7ct Ruby (Round, 8.32×8.32mm, Red) vs 3ct Ruby (Round, 8.62×8.62mm, Red)


Quick summary: When looked from above (face-up position), 3ct Ruby (8.62×8.62mm, round cut) appears 7% larger than 2.7ct Ruby (8.32×8.32mm, round cut). See below how they compare side-by-side on a ring and finger.

2.7ct Ruby (round cut)
vs
 3ct Ruby (round cut)
red
 
red
8.32×8.32 mm 8.62×8.62 mm
actual size
Actual size of 2.7ct Ruby (round cut, 8.32×8.32mm, Red color)   Actual size of 3ct Ruby (round cut, 8.62×8.62mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 2.7ct Ruby (round cut, 8.32×8.32mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 3ct Ruby (round cut, 8.62×8.62mm) 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
 50% vs 52%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 2.7ct Ruby Round (8.32×8.32mm, Red) and 3ct Ruby Round (8.62×8.62mm, 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.


2.7 Ct Ruby (Round) 3 Ct Ruby (Round)
8.32×8.32 mm vs 8.62×8.62 mm
54.37 mm²   58.36 mm²
Face-up size outline for 3ct Ruby (8.62×8.62mm, round cut)
Face-up size outline for 2.7ct Ruby (8.32×8.32mm, round cut)
2.7ct Ruby Round (8.32×8.32mm)
3ct Ruby Round (8.62×8.62mm)
Difference: 7% (3.99 mm²)
3ct Ruby (Round, 8.62×8.62mm) has approx. 7% more face-up area than 2.7ct Ruby (Round, 8.32×8.32mm).


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