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0.12ct Sapphire (Round, 2.95×2.95mm, Blue) vs 0.15ct Sapphire (Round, 3.18×3.18mm, Blue)


Quick summary: When looked from above (face-up position), 0.15ct Sapphire (3.18×3.18mm, round cut) appears 16% larger than 0.12ct Sapphire (2.95×2.95mm, round cut). See below how they compare side-by-side on a ring and finger.

0.12ct Sapphire (round cut)
vs
 0.15ct Sapphire (round cut)
blue
 
blue
2.95×2.95 mm 3.18×3.18 mm
actual size
Actual size of 0.12ct Sapphire (round cut, 2.95×2.95mm, Blue color)   Actual size of 0.15ct Sapphire (round cut, 3.18×3.18mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Blue 0.12ct Sapphire (round cut, 2.95×2.95mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 0.15ct Sapphire (round cut, 3.18×3.18mm) 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
 18% vs 19%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.12ct Sapphire Round (2.95×2.95mm, Blue) and 0.15ct Sapphire Round (3.18×3.18mm, 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.


0.12 Ct Sapphire (Round) 0.15 Ct Sapphire (Round)
2.95×2.95 mm vs 3.18×3.18 mm
6.83 mm²   7.94 mm²
Face-up size outline for 0.15ct Sapphire (3.18×3.18mm, round cut)
Face-up size outline for 0.12ct Sapphire (2.95×2.95mm, round cut)
0.12ct Sapphire Round (2.95×2.95mm)
0.15ct Sapphire Round (3.18×3.18mm)
Difference: 16% (1.11 mm²)
0.15ct Sapphire (Round, 3.18×3.18mm) has approx. 16% more face-up area than 0.12ct Sapphire (Round, 2.95×2.95mm).


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