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1.35ct Sapphire (Round, 6.61×6.61mm, Blue) vs 0.18ct Sapphire (Round, 3.38×3.38mm, Blue)


Quick summary: When looked from above (face-up position), 1.35ct Sapphire (6.61×6.61mm, round cut) appears 3.8 times larger than 0.18ct Sapphire (3.38×3.38mm, round cut). See below how they compare side-by-side on a ring and finger.

1.35ct Sapphire (round cut)
vs
 0.18ct Sapphire (round cut)
blue
 
blue
6.61×6.61 mm 3.38×3.38 mm
actual size
Actual size of 1.35ct Sapphire (round cut, 6.61×6.61mm, Blue color)   Actual size of 0.18ct Sapphire (round cut, 3.38×3.38mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.35ct Sapphire (round cut, 6.61×6.61mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.18ct Sapphire (round cut, 3.38×3.38mm) 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
 40% vs 20%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.35ct Sapphire Round (6.61×6.61mm, Blue) and 0.18ct Sapphire Round (3.38×3.38mm, 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.


1.35 Ct Sapphire (Round) 0.18 Ct Sapphire (Round)
6.61×6.61 mm vs 3.38×3.38 mm
34.32 mm²   8.97 mm²
Face-up size outline for 1.35ct Sapphire (6.61×6.61mm, round cut)
Face-up size outline for 0.18ct Sapphire (3.38×3.38mm, round cut)
1.35ct Sapphire Round (6.61×6.61mm)
0.18ct Sapphire Round (3.38×3.38mm)
Difference: 283% (25.35 mm²)
1.35ct Sapphire (Round, 6.61×6.61mm) has approx. 283% more face-up area than 0.18ct Sapphire (Round, 3.38×3.38mm). In other words, it's 3.83x larger.


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