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9ct Diaspore (Pear, 18.68×11.25mm, Light Yellowish Green) vs 9ct Zircon (Pear, 16.77×10.1mm, Orange)


Quick summary: When looked from above (face-up position), 9ct Diaspore (18.68×11.25mm, pear cut) appears 24% larger than 9ct Zircon (16.77×10.1mm, pear cut). See below how they compare side-by-side on a ring and finger.

9ct Diaspore (pear cut)
vs
 9ct Zircon (pear cut)
light yellowish green
 
orange
18.68×11.25 mm 16.77×10.1 mm
actual size
Actual size of 9ct Diaspore (pear cut, 18.68×11.25mm, Light Yellowish Green color)   Actual size of 9ct Zircon (pear cut, 16.77×10.1mm, 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 9ct Diaspore (pear cut, 18.68×11.25mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 9ct Zircon (pear cut, 16.77×10.1mm) 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
 67% vs 60%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 9ct Diaspore Pear (18.68×11.25mm, Light Yellowish Green) and 9ct Zircon Pear (16.77×10.1mm, 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 Ct Diaspore (Pear) 9 Ct Zircon (Pear)
18.68×11.25 mm vs 16.77×10.1 mm
153.41 mm²   123.65 mm²
Face-up size outline for 9ct Diaspore (18.68×11.25mm, pear cut)
Face-up size outline for 9ct Zircon (16.77×10.1mm, pear cut)
9ct Diaspore Pear (18.68×11.25mm)
9ct Zircon Pear (16.77×10.1mm)
Difference: 24% (29.76 mm²)
9ct Diaspore (Pear, 18.68×11.25mm) has approx. 24% more face-up area than 9ct Zircon (Pear, 16.77×10.1mm).


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