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9.5ct Diaspore (Round, 13.37×13.37mm, Light Yellowish Green) vs 9.5ct Zircon (Round, 12×12mm, Orange)


Quick summary: When looked from above (face-up position), 9.5ct Diaspore (13.37×13.37mm, round cut) appears 24% larger than 9.5ct Zircon (12×12mm, round cut). See below how they compare side-by-side on a ring and finger.

9.5ct Diaspore (round cut)
vs
 9.5ct Zircon (round cut)
light yellowish green
 
orange
13.37×13.37 mm 12×12 mm
actual size
Actual size of 9.5ct Diaspore (round cut, 13.37×13.37mm, Light Yellowish Green color)   Actual size of 9.5ct Zircon (round cut, 12×12mm, 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 9.5ct Diaspore (round cut, 13.37×13.37mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 9.5ct Zircon (round cut, 12×12mm) 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
 80% vs 72%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 9.5ct Diaspore Round (13.37×13.37mm, Light Yellowish Green) and 9.5ct Zircon Round (12×12mm, 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.


9.5 Ct Diaspore (Round) 9.5 Ct Zircon (Round)
13.37×13.37 mm vs 12×12 mm
140.4 mm²   113.1 mm²
Face-up size outline for 9.5ct Diaspore (13.37×13.37mm, round cut)
Face-up size outline for 9.5ct Zircon (12×12mm, round cut)
9.5ct Diaspore Round (13.37×13.37mm)
9.5ct Zircon Round (12×12mm)
Difference: 24% (27.3 mm²)
9.5ct Diaspore (Round, 13.37×13.37mm) has approx. 24% more face-up area than 9.5ct Zircon (Round, 12×12mm).


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