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1.37ct Sapphire (Round, 6.6×6.6mm, Dark Bluish Green) vs 1.79ct Sapphire (Oval, 8×6mm, Dark Green)


Quick summary: When looked from above (face-up position), 1.79ct Sapphire (8×6mm, oval cut) appears 15% larger than 1.37ct Sapphire (6.6×6.6mm, round cut). See below how they compare side-by-side on a ring and finger.

1.37ct Sapphire (round cut)
vs
 1.79ct Sapphire (oval cut)
dark bluish green
 
dark green
6.6×6.6 mm 8×6 mm
actual size
Actual size of 1.37ct Sapphire (round cut, 6.6×6.6mm, Dark Bluish Green color)   Actual size of 1.79ct Sapphire (oval cut, 8×6mm, Dark Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Bluish Green 1.37ct Sapphire (round cut, 6.6×6.6mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Green 1.79ct Sapphire (oval cut, 8×6mm) 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
 40% vs 36%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.37ct Sapphire Round (6.6×6.6mm, Dark Bluish Green) and 1.79ct Sapphire Oval (8×6mm, Dark Green) 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

The face-up size depends on the shape of the gem, its weight and 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.


1.37 Ct Sapphire (Round) 1.79 Ct Sapphire (Oval)
6.6×6.6 mm vs 8×6 mm
34.21 mm²   39.36 mm²
Face-up size outline for 1.79ct Sapphire (8×6mm, oval cut)
Face-up size outline for 1.37ct Sapphire (6.6×6.6mm, round cut)
1.37ct Sapphire Round (6.6×6.6mm)
1.79ct Sapphire Oval (8×6mm)
Difference: 15% (5.15 mm²)
1.79ct Sapphire (Oval, 8×6mm) has approx. 15% more face-up area than 1.37ct Sapphire (Round, 6.6×6.6mm).


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