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0.1ct Ruby (Round, 2.77×2.77mm, Red) vs 0.4ct Ruby (Round, 4.4×4.4mm, Red)


Quick summary: When looked from above (face-up position), 0.4ct Ruby (4.4×4.4mm, round cut) appears 2.5 times larger than 0.1ct Ruby (2.77×2.77mm, round cut). See below how they compare side-by-side on a ring and finger.

0.1ct Ruby (round cut)
vs
0.4ct Ruby (round cut)
red
 
red
2.77×2.77 mm 4.4×4.4 mm
actual size
Actual size of 0.1ct Ruby (round cut, 2.77×2.77mm, Red color)   Actual size of 0.4ct Ruby (round cut, 4.4×4.4mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 0.1ct Ruby (round cut, 2.77×2.77mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 0.4ct Ruby (round cut, 4.4×4.4mm) 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
17% vs 27%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.1ct Ruby Round (2.77×2.77mm, Red) and 0.4ct Ruby Round (4.4×4.4mm, 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.


0.1 Ct Ruby (Round) 0.4 Ct Ruby (Round)
2.77×2.77 mm vs 4.4×4.4 mm
6.03 mm²   15.21 mm²
Face-up size outline for 0.4ct Ruby (4.4×4.4mm, round cut)
Face-up size outline for 0.1ct Ruby (2.77×2.77mm, round cut)
0.1ct Ruby Round (2.77×2.77mm)
0.4ct Ruby Round (4.4×4.4mm)
Difference: 152% (9.18 mm²)
0.4ct Ruby (Round, 4.4×4.4mm) has approx. 152% more face-up area than 0.1ct Ruby (Round, 2.77×2.77mm). In other words, it's 2.52x larger.


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