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1.85ct Sapphire (Round, 7.34×7.34mm, Blue) vs 2.75ct Sapphire (Round, 8.38×8.38mm, Blue)


Quick summary: When looked from above (face-up position), 2.75ct Sapphire (8.38×8.38mm, round cut) appears 30% larger than 1.85ct Sapphire (7.34×7.34mm, round cut). See below how they compare side-by-side on a ring and finger.

1.85ct Sapphire (round cut)
vs
 2.75ct Sapphire (round cut)
blue
 
blue
7.34×7.34 mm 8.38×8.38 mm
actual size
Actual size of 1.85ct Sapphire (round cut, 7.34×7.34mm, Blue color)   Actual size of 2.75ct Sapphire (round cut, 8.38×8.38mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 1.85ct Sapphire (round cut, 7.34×7.34mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 2.75ct Sapphire (round cut, 8.38×8.38mm) 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
 44% vs 50%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1.85ct Sapphire Round (7.34×7.34mm, Blue) and 2.75ct Sapphire Round (8.38×8.38mm, 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.


1.85 Ct Sapphire (Round) 2.75 Ct Sapphire (Round)
7.34×7.34 mm vs 8.38×8.38 mm
42.31 mm²   55.15 mm²
Face-up size outline for 2.75ct Sapphire (8.38×8.38mm, round cut)
Face-up size outline for 1.85ct Sapphire (7.34×7.34mm, round cut)
1.85ct Sapphire Round (7.34×7.34mm)
2.75ct Sapphire Round (8.38×8.38mm)
Difference: 30% (12.84 mm²)
2.75ct Sapphire (Round, 8.38×8.38mm) has approx. 30% more face-up area than 1.85ct Sapphire (Round, 7.34×7.34mm).


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