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0.5ct Ruby (Round, 5×5mm, Red) vs 1ct Ruby (Round, 6.2×6.2mm, Red)


Quick summary: When looked from above (face-up position), 1ct Ruby (6.2×6.2mm, round cut) appears 54% larger than 0.5ct Ruby (5×5mm, round cut). See below how they compare side-by-side on a ring and finger.

0.5ct Ruby (round cut)
vs
1ct Ruby (round cut)
red
 
red
5×5 mm 6.2×6.2 mm
actual size
Actual size of 0.5ct Ruby (round cut, 5×5mm, Red color)   Actual size of 1ct Ruby (round cut, 6.2×6.2mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 0.5ct Ruby (round cut, 5×5mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 1ct Ruby (round cut, 6.2×6.2mm) 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
30% vs 37%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.5ct Ruby Round (5×5mm, Red) and 1ct Ruby Round (6.2×6.2mm, 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.


0.5 Ct Ruby (Round) 1 Ct Ruby (Round)
5×5 mm vs 6.2×6.2 mm
19.63 mm²   30.19 mm²
Face-up size outline for 1ct Ruby (6.2×6.2mm, round cut)
Face-up size outline for 0.5ct Ruby (5×5mm, round cut)
0.5ct Ruby Round (5×5mm)
1ct Ruby Round (6.2×6.2mm)
Difference: 54% (10.56 mm²)
1ct Ruby (Round, 6.2×6.2mm) has approx. 54% more face-up area than 0.5ct Ruby (Round, 5×5mm).


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