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1.25ct Benitoite (Princess, 5.83×5.83mm, Blue) vs 1.25ct Sapphire (Princess, 5.66×5.66mm, Blue)


Quick summary: When looked from above (face-up position), 1.25ct Benitoite (5.83×5.83mm, princess cut) appears 6% larger than 1.25ct Sapphire (5.66×5.66mm, princess cut). See below how they compare side-by-side on a ring and finger.

1.25ct Benitoite (princess cut)
vs
 1.25ct Sapphire (princess cut)
blue
 
blue
5.83×5.83 mm 5.66×5.66 mm
actual size
Actual size of 1.25ct Benitoite (princess cut, 5.83×5.83mm, Blue color)   Actual size of 1.25ct Sapphire (princess cut, 5.66×5.66mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.25ct Benitoite (princess cut, 5.83×5.83mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.25ct Sapphire (princess cut, 5.66×5.66mm) 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
 35% vs 34%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.25ct Benitoite Princess (5.83×5.83mm, Blue) and 1.25ct Sapphire Princess (5.66×5.66mm, 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.


1.25 Ct Benitoite (Princess) 1.25 Ct Sapphire (Princess)
5.83×5.83 mm vs 5.66×5.66 mm
33.99 mm²   32.04 mm²
Face-up size outline for 1.25ct Benitoite (5.83×5.83mm, princess cut)
Face-up size outline for 1.25ct Sapphire (5.66×5.66mm, princess cut)
1.25ct Benitoite Princess (5.83×5.83mm)
1.25ct Sapphire Princess (5.66×5.66mm)
Difference: 6% (1.95 mm²)
1.25ct Benitoite (Princess, 5.83×5.83mm) has approx. 6% more face-up area than 1.25ct Sapphire (Princess, 5.66×5.66mm).


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