×
carat vs. color  length*  width*
  ×

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

2ct Benitoite (Round, 7.77×7.77mm, Blue) vs 2ct Sapphire (Round, 7.53×7.53mm, Blue)


Quick summary: When looked from above (face-up position), 2ct Benitoite (7.77×7.77mm, round cut) appears 6% larger than 2ct Sapphire (7.53×7.53mm, round cut). See below how they compare side-by-side on a ring and finger.

2ct Benitoite (round cut)
vs
 2ct Sapphire (round cut)
blue
 
blue
7.77×7.77 mm 7.53×7.53 mm
actual size
Actual size of 2ct Benitoite (round cut, 7.77×7.77mm, Blue color)   Actual size of 2ct Sapphire (round cut, 7.53×7.53mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 2ct Benitoite (round cut, 7.77×7.77mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 2ct Sapphire (round cut, 7.53×7.53mm) 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
 46% vs 45%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 2ct Benitoite Round (7.77×7.77mm, Blue) and 2ct Sapphire Round (7.53×7.53mm, 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, Sapphire will face-up smaller than Benitoite for a given carat weight, because it has higher specific gravity (4 vs. 3.65 - this means it's "heavier" compared to Benitoite 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.


2 Ct Benitoite (Round) 2 Ct Sapphire (Round)
7.77×7.77 mm vs 7.53×7.53 mm
47.42 mm²   44.53 mm²
Face-up size outline for 2ct Benitoite (7.77×7.77mm, round cut)
Face-up size outline for 2ct Sapphire (7.53×7.53mm, round cut)
2ct Benitoite Round (7.77×7.77mm)
2ct Sapphire Round (7.53×7.53mm)
Difference: 6% (2.89 mm²)
2ct Benitoite (Round, 7.77×7.77mm) has approx. 6% more face-up area than 2ct Sapphire (Round, 7.53×7.53mm).


Popular comparisons: