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20ct Ruby (Round, 16.23×16.23mm, Red) vs 15ct Ruby (Round, 14.74×14.74mm, Red)


Quick summary: When looked from above (face-up position), 20ct Ruby (16.23×16.23mm, round cut) appears 21% larger than 15ct Ruby (14.74×14.74mm, round cut). See below how they compare side-by-side on a ring and finger.

20ct Ruby (round cut)
vs
15ct Ruby (round cut)
red
 
red
16.23×16.23 mm 14.74×14.74 mm
actual size
Actual size of 20ct Ruby (round cut, 16.23×16.23mm, Red color)   Actual size of 15ct Ruby (round cut, 14.74×14.74mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 20ct Ruby (round cut, 16.23×16.23mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 15ct Ruby (round cut, 14.74×14.74mm) 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
97% vs 88%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 20ct Ruby Round (16.23×16.23mm, Red) and 15ct Ruby Round (14.74×14.74mm, 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.


20 Ct Ruby (Round) 15 Ct Ruby (Round)
16.23×16.23 mm vs 14.74×14.74 mm
206.88 mm²   170.64 mm²
Face-up size outline for 20ct Ruby (16.23×16.23mm, round cut)
Face-up size outline for 15ct Ruby (14.74×14.74mm, round cut)
20ct Ruby Round (16.23×16.23mm)
15ct Ruby Round (14.74×14.74mm)
Difference: 21% (36.24 mm²)
20ct Ruby (Round, 16.23×16.23mm) has approx. 21% more face-up area than 15ct Ruby (Round, 14.74×14.74mm).


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