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1.5ct Emerald (Radiant, 7.17×7.17mm, Green) vs 1.5ct Apatite (Radiant, 6.79×6.79mm, Green)


Quick summary: When looked from above (face-up position), 1.5ct Emerald (7.17×7.17mm, radiant cut) appears 12% larger than 1.5ct Apatite (6.79×6.79mm, radiant cut). See below how they compare side-by-side on a ring and finger.

1.5ct Emerald (radiant cut)
vs
1.5ct Apatite (radiant cut)
green
 
green
7.17×7.17 mm 6.79×6.79 mm
actual size
Actual size of 1.5ct Emerald (radiant cut, 7.17×7.17mm, Green color)   Actual size of 1.5ct Apatite (radiant cut, 6.79×6.79mm, Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 1.5ct Emerald (radiant cut, 7.17×7.17mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Green 1.5ct Apatite (radiant cut, 6.79×6.79mm) 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
43% vs 41%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.5ct Emerald Radiant (7.17×7.17mm, Green) and 1.5ct Apatite Radiant (6.79×6.79mm, Green) 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

All things being equal, Apatite will face-up smaller than Emerald for a given carat weight, because it has higher specific gravity (3.2 vs. 2.72 - this means it's "heavier" compared to Emerald of the same size). Face-up size also depends heavily on 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 Emerald (Radiant) 1.5 Ct Apatite (Radiant)
7.17×7.17 mm vs 6.79×6.79 mm
48.84 mm²   43.8 mm²
Face-up size outline for 1.5ct Emerald (7.17×7.17mm, radiant cut)
Face-up size outline for 1.5ct Apatite (6.79×6.79mm, radiant cut)
1.5ct Emerald Radiant (7.17×7.17mm)
1.5ct Apatite Radiant (6.79×6.79mm)
Difference: 12% (5.04 mm²)
1.5ct Emerald (Radiant, 7.17×7.17mm) has approx. 12% more face-up area than 1.5ct Apatite (Radiant, 6.79×6.79mm).


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