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12ct Ruby (Pear, 19.47×11.73mm, Red) vs 12ct Andesine (Pear, 22.28×13.42mm, Orange)


Quick summary: When looked from above (face-up position), 12ct Andesine (22.28×13.42mm, pear cut) appears 31% larger than 12ct Ruby (19.47×11.73mm, pear cut). See below how they compare side-by-side on a ring and finger.

12ct Ruby (pear cut)
vs
 12ct Andesine (pear cut)
red
 
orange
19.47×11.73 mm 22.28×13.42 mm
actual size
Actual size of 12ct Ruby (pear cut, 19.47×11.73mm, Red color)   Actual size of 12ct Andesine (pear cut, 22.28×13.42mm, Orange color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 12ct Ruby (pear cut, 19.47×11.73mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 12ct Andesine (pear cut, 22.28×13.42mm) 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
 70% vs 80%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 12ct Ruby Pear (19.47×11.73mm, Red) and 12ct Andesine Pear (22.28×13.42mm, Orange) 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

All things being equal, Ruby will face-up smaller than Andesine for a given carat weight, because it has higher specific gravity (4 vs. 2.67 - this means it's "heavier" compared to Andesine of the same size). Face-up size also depends heavily on 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 Ct Ruby (Pear) 12 Ct Andesine (Pear)
19.47×11.73 mm vs 22.28×13.42 mm
166.72 mm²   218.27 mm²
Face-up size outline for 12ct Andesine (22.28×13.42mm, pear cut)
Face-up size outline for 12ct Ruby (19.47×11.73mm, pear cut)
12ct Ruby Pear (19.47×11.73mm)
12ct Andesine Pear (22.28×13.42mm)
Difference: 31% (51.55 mm²)
12ct Andesine (Pear, 22.28×13.42mm) has approx. 31% more face-up area than 12ct Ruby (Pear, 19.47×11.73mm).


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