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1.27ct Benitoite (Round, 6.3×6.4mm, Blue) vs 1.52ct Sapphire (Oval, 8.4×5.9mm, Blue)


Quick summary: When looked from above (face-up position), 1.52ct Sapphire (8.4×5.9mm, oval cut) appears 28% larger than 1.27ct Benitoite (6.3×6.4mm, round cut). See below how they compare side-by-side on a ring and finger.

1.27ct Benitoite (round cut)
vs
 1.52ct Sapphire (oval cut)
blue
 
blue
6.3×6.4 mm 8.4×5.9 mm
actual size
Actual size of 1.27ct Benitoite (round cut, 6.3×6.4mm, Blue color)   Actual size of 1.52ct Sapphire (oval cut, 8.4×5.9mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.27ct Benitoite (round cut, 6.3×6.4mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.52ct Sapphire (oval cut, 8.4×5.9mm) 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
 38% vs 35%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.27ct Benitoite Round (6.3×6.4mm, Blue) and 1.52ct Sapphire Oval (8.4×5.9mm, 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.


1.27 Ct Benitoite (Round) 1.52 Ct Sapphire (Oval)
6.3×6.4 mm vs 8.4×5.9 mm
31.67 mm²   40.64 mm²
Face-up size outline for 1.52ct Sapphire (8.4×5.9mm, oval cut)
Face-up size outline for 1.27ct Benitoite (6.3×6.4mm, round cut)
1.27ct Benitoite Round (6.3×6.4mm)
1.52ct Sapphire Oval (8.4×5.9mm)
Difference: 28% (8.97 mm²)
1.52ct Sapphire (Oval, 8.4×5.9mm) has approx. 28% more face-up area than 1.27ct Benitoite (Round, 6.3×6.4mm).


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