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1ct Benitoite (Marquise, 10.02×5.01mm, Blue) vs 1ct Sapphire (Marquise, 9.72×4.86mm, Blue)


Quick summary: When looked from above (face-up position), 1ct Benitoite (10.02×5.01mm, marquise cut) appears 6% larger than 1ct Sapphire (9.72×4.86mm, marquise cut). See below how they compare side-by-side on a ring and finger.

1ct Benitoite (marquise cut)
vs
 1ct Sapphire (marquise cut)
blue
 
blue
10.02×5.01 mm 9.72×4.86 mm
actual size
Actual size of 1ct Benitoite (marquise cut, 10.02×5.01mm, Blue color)   Actual size of 1ct Sapphire (marquise cut, 9.72×4.86mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1ct Benitoite (marquise cut, 10.02×5.01mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1ct Sapphire (marquise cut, 9.72×4.86mm) 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
 30% vs 29%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1ct Benitoite Marquise (10.02×5.01mm, Blue) and 1ct Sapphire Marquise (9.72×4.86mm, 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 Ct Benitoite (Marquise) 1 Ct Sapphire (Marquise)
10.02×5.01 mm vs 9.72×4.86 mm
35.64 mm²   33.54 mm²
Face-up size outline for 1ct Benitoite (10.02×5.01mm, marquise cut)
Face-up size outline for 1ct Sapphire (9.72×4.86mm, marquise cut)
1ct Benitoite Marquise (10.02×5.01mm)
1ct Sapphire Marquise (9.72×4.86mm)
Difference: 6% (2.1 mm²)
1ct Benitoite (Marquise, 10.02×5.01mm) has approx. 6% more face-up area than 1ct Sapphire (Marquise, 9.72×4.86mm).


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