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1.4ct Diamond (Emerald, 7.48×5.54mm, White) vs 1.58ct Sapphire (Emerald, 7.44×5.51mm, Blue)


Quick summary: When looked from above (face-up position), 1.4ct Diamond (7.48×5.54mm, emerald cut) appears 1% larger than 1.58ct Sapphire (7.44×5.51mm, emerald cut). See below how they compare side-by-side on a ring and finger.

1.4ct Diamond (emerald cut)
vs
1.58ct Sapphire (emerald cut)
white
 
blue
7.48×5.54 mm 7.44×5.51 mm
actual size
Actual size of 1.4ct Diamond (emerald cut, 7.48×5.54mm, White color)   Actual size of 1.58ct Sapphire (emerald cut, 7.44×5.51mm, Blue color)
 
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Ring: Skin tone:
Ring width: 3.0 mm
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Left finger image
Ring on left finger
White 1.4ct Diamond (emerald cut, 7.48×5.54mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.58ct Sapphire (emerald cut, 7.44×5.51mm) 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
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Ring diameter: 16.9 mm
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Actual sizes of 1.4ct Diamond Emerald (7.48×5.54mm, White) and 1.58ct Sapphire Emerald (7.44×5.51mm, 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.


1.4 Ct Diamond (Emerald) 1.58 Ct Sapphire (Emerald)
7.48×5.54 mm vs 7.44×5.51 mm
38.54 mm²   38.12 mm²
Face-up size outline for 1.4ct Diamond (7.48×5.54mm, emerald cut)
Face-up size outline for 1.58ct Sapphire (7.44×5.51mm, emerald cut)
1.4ct Diamond Emerald (7.48×5.54mm)
1.58ct Sapphire Emerald (7.44×5.51mm)
Difference: 1% (0.42 mm²)
1.4ct Diamond Emerald (7.48×5.54mm) has approx. 1% more face-up area than 1.58ct Sapphire Emerald (7.44×5.51mm).


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