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12.5ct Ruby (Round, 13.87×13.87mm, Red) vs 1ct Ruby (Round, 5.98×5.98mm, Red)


Quick summary: When looked from above (face-up position), 12.5ct Ruby (13.87×13.87mm, round cut) appears 5.4 times larger than 1ct Ruby (5.98×5.98mm, round cut). See below how they compare side-by-side on a ring and finger.

12.5ct Ruby (round cut)
vs
 1ct Ruby (round cut)
red
 
red
13.87×13.87 mm 5.98×5.98 mm
actual size
Actual size of 12.5ct Ruby (round cut, 13.87×13.87mm, Red color)   Actual size of 1ct Ruby (round cut, 5.98×5.98mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 12.5ct Ruby (round cut, 13.87×13.87mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 1ct Ruby (round cut, 5.98×5.98mm) 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
 83% vs 36%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 12.5ct Ruby Round (13.87×13.87mm, Red) and 1ct Ruby Round (5.98×5.98mm, 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.


12.5 Ct Ruby (Round) 1 Ct Ruby (Round)
13.87×13.87 mm vs 5.98×5.98 mm
151.09 mm²   28.09 mm²
Face-up size outline for 12.5ct Ruby (13.87×13.87mm, round cut)
Face-up size outline for 1ct Ruby (5.98×5.98mm, round cut)
12.5ct Ruby Round (13.87×13.87mm)
1ct Ruby Round (5.98×5.98mm)
Difference: 438% (123 mm²)
12.5ct Ruby (Round, 13.87×13.87mm) has approx. 438% more face-up area than 1ct Ruby (Round, 5.98×5.98mm). In other words, it's 5.38x larger.


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