×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

12ct Andesine (Cabochon, 17.93×11.95mm, Orange) vs 12ct Benitoite (Cabochon, 16.16×10.77mm, Blue)


Quick summary: When looked from above (face-up position), 12ct Andesine (17.93×11.95mm, cabochon cut) appears 23% larger than 12ct Benitoite (16.16×10.77mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

12ct Andesine (cabochon cut)
vs
12ct Benitoite (cabochon cut)
orange
 
blue
17.93×11.95 mm 16.16×10.77 mm
actual size
Actual size of 12ct Andesine (cabochon cut, 17.93×11.95mm, Orange color)   Actual size of 12ct Benitoite (cabochon cut, 16.16×10.77mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 12ct Andesine (cabochon cut, 17.93×11.95mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 12ct Benitoite (cabochon cut, 16.16×10.77mm) 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
71% vs 64%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 12ct Andesine Cabochon (17.93×11.95mm, Orange) and 12ct Benitoite Cabochon (16.16×10.77mm, Blue) 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, Benitoite will face-up smaller than Andesine for a given carat weight, because it has higher specific gravity (3.65 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 Andesine (Cabochon) 12 Ct Benitoite (Cabochon)
17.93×11.95 mm vs 16.16×10.77 mm
175.7 mm²   142.72 mm²
Face-up size outline for 12ct Andesine (17.93×11.95mm, cabochon cut)
Face-up size outline for 12ct Benitoite (16.16×10.77mm, cabochon cut)
12ct Andesine Cabochon (17.93×11.95mm)
12ct Benitoite Cabochon (16.16×10.77mm)
Difference: 23% (32.98 mm²)
12ct Andesine (Cabochon, 17.93×11.95mm) has approx. 23% more face-up area than 12ct Benitoite (Cabochon, 16.16×10.77mm).


Popular comparisons: