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0.22ct Diamond (Round, 3.92×3.92mm, White) vs 1.06ct Sapphire (Oval, 7.71×5.14mm, Blue)


Quick summary: When looked from above (face-up position), 1.06ct Sapphire (7.71×5.14mm, oval cut) appears 2.7 times larger than 0.22ct Diamond (3.92×3.92mm, round cut). See below how they compare side-by-side on a ring and finger.

0.22ct Diamond (round cut)
vs
 1.06ct Sapphire (oval cut)
white
 
blue
3.92×3.92 mm 7.71×5.14 mm
actual size
Actual size of 0.22ct Diamond (round cut, 3.92×3.92mm, White color)   Actual size of 1.06ct Sapphire (oval cut, 7.71×5.14mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 0.22ct Diamond (round cut, 3.92×3.92mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.06ct Sapphire (oval cut, 7.71×5.14mm) 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
 24% vs 31%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.22ct Diamond Round (3.92×3.92mm, White) and 1.06ct Sapphire Oval (7.71×5.14mm, 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 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.


0.22 Ct Diamond (Round) 1.06 Ct Sapphire (Oval)
3.92×3.92 mm vs 7.71×5.14 mm
12.07 mm²   32.5 mm²
Face-up size outline for 1.06ct Sapphire (7.71×5.14mm, oval cut)
Face-up size outline for 0.22ct Diamond (3.92×3.92mm, round cut)
0.22ct Diamond Round (3.92×3.92mm)
1.06ct Sapphire Oval (7.71×5.14mm)
Difference: 169% (20.43 mm²)
1.06ct Sapphire (Oval, 7.71×5.14mm) has approx. 169% more face-up area than 0.22ct Diamond (Round, 3.92×3.92mm). In other words, it's 2.69x larger.


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