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1.5ct Sapphire (Trillion, 8.05×8.05mm, Blue) vs 1.7ct Sapphire (Princess, 6.41×6.41mm, Blue)


Quick summary: When looked from above (face-up position), 1.7ct Sapphire (6.41×6.41mm, princess cut) appears 2% larger than 1.5ct Sapphire (8.05×8.05mm, trillion cut). See below how they compare side-by-side on a ring and finger.

1.5ct Sapphire (trillion cut)
vs
 1.7ct Sapphire (princess cut)
blue
 
blue
8.05×8.05 mm 6.41×6.41 mm
actual size
Actual size of 1.5ct Sapphire (trillion cut, 8.05×8.05mm, Blue color)   Actual size of 1.7ct Sapphire (princess cut, 6.41×6.41mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.5ct Sapphire (trillion cut, 8.05×8.05mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.7ct Sapphire (princess cut, 6.41×6.41mm) 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
 48% vs 38%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.5ct Sapphire Trillion (8.05×8.05mm, Blue) and 1.7ct Sapphire Princess (6.41×6.41mm, 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.


1.5 Ct Sapphire (Trillion) 1.7 Ct Sapphire (Princess)
8.05×8.05 mm vs 6.41×6.41 mm
40.18 mm²   41.09 mm²
Face-up size outline for 1.7ct Sapphire (6.41×6.41mm, princess cut)
Face-up size outline for 1.5ct Sapphire (8.05×8.05mm, trillion cut)
1.5ct Sapphire Trillion (8.05×8.05mm)
1.7ct Sapphire Princess (6.41×6.41mm)
Difference: 2% (0.91 mm²)
1.7ct Sapphire (Princess, 6.41×6.41mm) has approx. 2% more face-up area than 1.5ct Sapphire (Trillion, 8.05×8.05mm).


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