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0.45ct Sapphire (Pear, 6.36×3.83mm, Blue) vs 0.45ct Diamond (Pear, 6.94×4.18mm, White)


Quick summary: When looked from above (face-up position), 0.45ct Diamond (6.94×4.18mm, pear cut) appears 19% larger than 0.45ct Sapphire (6.36×3.83mm, pear cut). See below how they compare side-by-side on a ring and finger.

0.45ct Sapphire (pear cut)
vs
 0.45ct Diamond (pear cut)
blue
 
white
6.36×3.83 mm 6.94×4.18 mm
actual size
Actual size of 0.45ct Sapphire (pear cut, 6.36×3.83mm, Blue color)   Actual size of 0.45ct Diamond (pear cut, 6.94×4.18mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.45ct Sapphire (pear cut, 6.36×3.83mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 0.45ct Diamond (pear cut, 6.94×4.18mm) 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
 23% vs 25%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.45ct Sapphire Pear (6.36×3.83mm, Blue) and 0.45ct Diamond Pear (6.94×4.18mm, White) 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.


0.45 Ct Sapphire (Pear) 0.45 Ct Diamond (Pear)
6.36×3.83 mm vs 6.94×4.18 mm
17.78 mm²   21.18 mm²
Face-up size outline for 0.45ct Diamond (6.94×4.18mm, pear cut)
Face-up size outline for 0.45ct Sapphire (6.36×3.83mm, pear cut)
0.45ct Sapphire Pear (6.36×3.83mm)
0.45ct Diamond Pear (6.94×4.18mm)
Difference: 19% (3.4 mm²)
0.45ct Diamond (Pear, 6.94×4.18mm) has approx. 19% more face-up area than 0.45ct Sapphire (Pear, 6.36×3.83mm).


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