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2ct Benitoite (Trillion, 9.5×9.5mm, Blue) vs 2ct Sapphire (Trillion, 9.21×9.21mm, Blue)


Quick summary: When looked from above (face-up position), 2ct Benitoite (9.5×9.5mm, trillion cut) appears 6% larger than 2ct Sapphire (9.21×9.21mm, trillion cut). See below how they compare side-by-side on a ring and finger.

2ct Benitoite (trillion cut)
vs
 2ct Sapphire (trillion cut)
blue
 
blue
9.5×9.5 mm 9.21×9.21 mm
actual size
Actual size of 2ct Benitoite (trillion cut, 9.5×9.5mm, Blue color)   Actual size of 2ct Sapphire (trillion cut, 9.21×9.21mm, 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 (trillion cut, 9.5×9.5mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 2ct Sapphire (trillion cut, 9.21×9.21mm) 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
 57% vs 55%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 2ct Benitoite Trillion (9.5×9.5mm, Blue) and 2ct Sapphire Trillion (9.21×9.21mm, 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 (Trillion) 2 Ct Sapphire (Trillion)
9.5×9.5 mm vs 9.21×9.21 mm
55.96 mm²   52.59 mm²
Face-up size outline for 2ct Benitoite (9.5×9.5mm, trillion cut)
Face-up size outline for 2ct Sapphire (9.21×9.21mm, trillion cut)
2ct Benitoite Trillion (9.5×9.5mm)
2ct Sapphire Trillion (9.21×9.21mm)
Difference: 6% (3.37 mm²)
2ct Benitoite (Trillion, 9.5×9.5mm) has approx. 6% more face-up area than 2ct Sapphire (Trillion, 9.21×9.21mm).


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