×
carat vs. color  length*  width*
  ×

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

17ct Andesine (Cabochon, 20.13×13.42mm, Orange) vs 17ct Benitoite (Cabochon, 18.14×12.09mm, Blue)


Quick summary: When looked from above (face-up position), 17ct Andesine (20.13×13.42mm, cabochon cut) appears 23% larger than 17ct Benitoite (18.14×12.09mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

17ct Andesine (cabochon cut)
vs
 17ct Benitoite (cabochon cut)
orange
 
blue
20.13×13.42 mm 18.14×12.09 mm
actual size
Actual size of 17ct Andesine (cabochon cut, 20.13×13.42mm, Orange color)   Actual size of 17ct Benitoite (cabochon cut, 18.14×12.09mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 17ct Andesine (cabochon cut, 20.13×13.42mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 17ct Benitoite (cabochon cut, 18.14×12.09mm) 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
 80% vs 72%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 17ct Andesine Cabochon (20.13×13.42mm, Orange) and 17ct Benitoite Cabochon (18.14×12.09mm, 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.


17 Ct Andesine (Cabochon) 17 Ct Benitoite (Cabochon)
20.13×13.42 mm vs 18.14×12.09 mm
221.52 mm²   179.84 mm²
Face-up size outline for 17ct Andesine (20.13×13.42mm, cabochon cut)
Face-up size outline for 17ct Benitoite (18.14×12.09mm, cabochon cut)
17ct Andesine Cabochon (20.13×13.42mm)
17ct Benitoite Cabochon (18.14×12.09mm)
Difference: 23% (41.68 mm²)
17ct Andesine (Cabochon, 20.13×13.42mm) has approx. 23% more face-up area than 17ct Benitoite (Cabochon, 18.14×12.09mm).


Popular comparisons: