×
carat vs. color  length*  width*
  ×

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

18ct Andesine (Radiant, 16.52×16.52mm, Orange) vs 18ct Benitoite (Radiant, 14.89×14.89mm, Blue)


Quick summary: When looked from above (face-up position), 18ct Andesine (16.52×16.52mm, radiant cut) appears 23% larger than 18ct Benitoite (14.89×14.89mm, radiant cut). See below how they compare side-by-side on a ring and finger.

18ct Andesine (radiant cut)
vs
 18ct Benitoite (radiant cut)
orange
 
blue
16.52×16.52 mm 14.89×14.89 mm
actual size
Actual size of 18ct Andesine (radiant cut, 16.52×16.52mm, Orange color)   Actual size of 18ct Benitoite (radiant cut, 14.89×14.89mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 18ct Andesine (radiant cut, 16.52×16.52mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 18ct Benitoite (radiant cut, 14.89×14.89mm) 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
 98% vs 89%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 18ct Andesine Radiant (16.52×16.52mm, Orange) and 18ct Benitoite Radiant (14.89×14.89mm, 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.


18 Ct Andesine (Radiant) 18 Ct Benitoite (Radiant)
16.52×16.52 mm vs 14.89×14.89 mm
259.26 mm²   210.63 mm²
Face-up size outline for 18ct Andesine (16.52×16.52mm, radiant cut)
Face-up size outline for 18ct Benitoite (14.89×14.89mm, radiant cut)
18ct Andesine Radiant (16.52×16.52mm)
18ct Benitoite Radiant (14.89×14.89mm)
Difference: 23% (48.63 mm²)
18ct Andesine (Radiant, 16.52×16.52mm) has approx. 23% more face-up area than 18ct Benitoite (Radiant, 14.89×14.89mm).


Popular comparisons: