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1ct Sapphire (Trillion, 7.03×7.03mm, Blue) vs 0.9ct Sapphire (Round, 5.77×5.77mm, Blue)


Quick summary: When looked from above (face-up position), 1ct Sapphire (7.03×7.03mm, trillion cut) appears 17% larger than 0.9ct Sapphire (5.77×5.77mm, round cut). See below how they compare side-by-side on a ring and finger.

1ct Sapphire (trillion cut)
vs
0.9ct Sapphire (round cut)
blue
 
blue
7.03×7.03 mm 5.77×5.77 mm
actual size
Actual size of 1ct Sapphire (trillion cut, 7.03×7.03mm, Blue color)   Actual size of 0.9ct Sapphire (round cut, 5.77×5.77mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1ct Sapphire (trillion cut, 7.03×7.03mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.9ct Sapphire (round cut, 5.77×5.77mm) 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
42% vs 35%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1ct Sapphire Trillion (7.03×7.03mm, Blue) and 0.9ct Sapphire Round (5.77×5.77mm, 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 Ct Sapphire (Trillion) 0.9 Ct Sapphire (Round)
7.03×7.03 mm vs 5.77×5.77 mm
30.64 mm²   26.15 mm²
Face-up size outline for 1ct Sapphire (7.03×7.03mm, trillion cut)
Face-up size outline for 0.9ct Sapphire (5.77×5.77mm, round cut)
1ct Sapphire Trillion (7.03×7.03mm)
0.9ct Sapphire Round (5.77×5.77mm)
Difference: 17% (4.49 mm²)
1ct Sapphire (Trillion, 7.03×7.03mm) has approx. 17% more face-up area than 0.9ct Sapphire (Round, 5.77×5.77mm).


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