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5ct Diaspore (Round, 10.79×10.79mm, Light Yellowish Green) vs 5ct Zircon (Round, 9.69×9.69mm, Orange)


Quick summary: When looked from above (face-up position), 5ct Diaspore (10.79×10.79mm, round cut) appears 24% larger than 5ct Zircon (9.69×9.69mm, round cut). See below how they compare side-by-side on a ring and finger.

5ct Diaspore (round cut)
vs
 5ct Zircon (round cut)
light yellowish green
 
orange
10.79×10.79 mm 9.69×9.69 mm
actual size
Actual size of 5ct Diaspore (round cut, 10.79×10.79mm, Light Yellowish Green color)   Actual size of 5ct Zircon (round cut, 9.69×9.69mm, Orange color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Yellowish Green 5ct Diaspore (round cut, 10.79×10.79mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 5ct Zircon (round cut, 9.69×9.69mm) 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
 64% vs 58%
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Ring diameter: 16.9 mm
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Actual sizes of 5ct Diaspore Round (10.79×10.79mm, Light Yellowish Green) and 5ct Zircon Round (9.69×9.69mm, Orange) 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, Zircon will face-up smaller than Diaspore for a given carat weight, because it has higher specific gravity (4.7 vs. 3.4 - this means it's "heavier" compared to Diaspore 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.


5 Ct Diaspore (Round) 5 Ct Zircon (Round)
10.79×10.79 mm vs 9.69×9.69 mm
91.44 mm²   73.75 mm²
Face-up size outline for 5ct Diaspore (10.79×10.79mm, round cut)
Face-up size outline for 5ct Zircon (9.69×9.69mm, round cut)
5ct Diaspore Round (10.79×10.79mm)
5ct Zircon Round (9.69×9.69mm)
Difference: 24% (17.69 mm²)
5ct Diaspore (Round, 10.79×10.79mm) has approx. 24% more face-up area than 5ct Zircon (Round, 9.69×9.69mm).


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