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2.5ct Sapphire (Emerald, 8.67×6.42mm, Blue) vs 3.1ct Sapphire (Emerald, 9.1×6.25mm, Blue)


Quick summary: When looked from above (face-up position), 3.1ct Sapphire (9.1×6.25mm, emerald cut) appears 2% larger than 2.5ct Sapphire (8.67×6.42mm, emerald cut). See below how they compare side-by-side on a ring and finger.

2.5ct Sapphire (emerald cut)
vs
 3.1ct Sapphire (emerald cut)
blue
 
blue
8.67×6.42 mm 9.1×6.25 mm
actual size
Actual size of 2.5ct Sapphire (emerald cut, 8.67×6.42mm, Blue color)   Actual size of 3.1ct Sapphire (emerald cut, 9.1×6.25mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 2.5ct Sapphire (emerald cut, 8.67×6.42mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 3.1ct Sapphire (emerald cut, 9.1×6.25mm) 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
 38% vs 37%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 2.5ct Sapphire Emerald (8.67×6.42mm, Blue) and 3.1ct Sapphire Emerald (9.1×6.25mm, 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

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.


2.5 Ct Sapphire (Emerald) 3.1 Ct Sapphire (Emerald)
8.67×6.42 mm vs 9.1×6.25 mm
51.77 mm²   52.89 mm²
Face-up size outline for 3.1ct Sapphire (9.1×6.25mm, emerald cut)
Face-up size outline for 2.5ct Sapphire (8.67×6.42mm, emerald cut)
2.5ct Sapphire Emerald (8.67×6.42mm)
3.1ct Sapphire Emerald (9.1×6.25mm)
Difference: 2% (1.12 mm²)
3.1ct Sapphire (Emerald, 9.1×6.25mm) has approx. 2% more face-up area than 2.5ct Sapphire (Emerald, 8.67×6.42mm).


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