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1.06ct Diamond (Oval, 8.28×5.52mm, White) vs 1.48ct Sapphire (Oval, 8.2×6mm, Dark Bluish Green)


Quick summary: When looked from above (face-up position), 1.48ct Sapphire (8.2×6mm, oval cut) appears 8% larger than 1.06ct Diamond (8.28×5.52mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.06ct Diamond (oval cut)
vs
1.48ct Sapphire (oval cut)
white
 
dark bluish green
8.28×5.52 mm 8.2×6 mm
actual size
Actual size of 1.06ct Diamond (oval cut, 8.28×5.52mm, White color)   Actual size of 1.48ct Sapphire (oval cut, 8.2×6mm, Dark Bluish Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.06ct Diamond (oval cut, 8.28×5.52mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Bluish Green 1.48ct Sapphire (oval cut, 8.2×6mm) 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
33% vs 36%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.06ct Diamond Oval (8.28×5.52mm, White) and 1.48ct Sapphire Oval (8.2×6mm, Dark Bluish 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

All things being equal, Sapphire will face-up smaller than Diamond for a given carat weight, because it has higher specific gravity (4 vs. 3.52 - this means it's "heavier" compared to Diamond 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.


1.06 Ct Diamond (Oval) 1.48 Ct Sapphire (Oval)
8.28×5.52 mm vs 8.2×6 mm
37.48 mm²   40.34 mm²
Face-up size outline for 1.48ct Sapphire (8.2×6mm, oval cut)
Face-up size outline for 1.06ct Diamond (8.28×5.52mm, oval cut)
1.06ct Diamond Oval (8.28×5.52mm)
1.48ct Sapphire Oval (8.2×6mm)
Difference: 8% (2.86 mm²)
1.48ct Sapphire (Oval, 8.2×6mm) has approx. 8% more face-up area than 1.06ct Diamond (Oval, 8.28×5.52mm).


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