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30ct Kunzite (Cushion, 18.57×18.57mm, Light Purple) vs 30ct Chrysoberyl (Cushion, 17.61×17.61mm, Light Yellowish Green)


Quick summary: When looked from above (face-up position), 30ct Kunzite (18.57×18.57mm, cushion cut) appears 11% larger than 30ct Chrysoberyl (17.61×17.61mm, cushion cut). See below how they compare side-by-side on a ring and finger.

30ct Kunzite (cushion cut)
vs
30ct Chrysoberyl (cushion cut)
light purple
 
light yellowish green
18.57×18.57 mm 17.61×17.61 mm
actual size
Actual size of 30ct Kunzite (cushion cut, 18.57×18.57mm, Light Purple color)   Actual size of 30ct Chrysoberyl (cushion cut, 17.61×17.61mm, Light Yellowish Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Purple 30ct Kunzite (cushion cut, 18.57×18.57mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Yellowish Green 30ct Chrysoberyl (cushion cut, 17.61×17.61mm) 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
110% vs 105%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 30ct Kunzite Cushion (18.57×18.57mm, Light Purple) and 30ct Chrysoberyl Cushion (17.61×17.61mm, Light Yellowish 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, Chrysoberyl will face-up smaller than Kunzite for a given carat weight, because it has higher specific gravity (3.73 vs. 3.18 - this means it's "heavier" compared to Kunzite 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.


30 Ct Kunzite (Cushion) 30 Ct Chrysoberyl (Cushion)
18.57×18.57 mm vs 17.61×17.61 mm
310.36 mm²   279.1 mm²
Face-up size outline for 30ct Kunzite (18.57×18.57mm, cushion cut)
Face-up size outline for 30ct Chrysoberyl (17.61×17.61mm, cushion cut)
30ct Kunzite Cushion (18.57×18.57mm)
30ct Chrysoberyl Cushion (17.61×17.61mm)
Difference: 11% (31.26 mm²)
30ct Kunzite (Cushion, 18.57×18.57mm) has approx. 11% more face-up area than 30ct Chrysoberyl (Cushion, 17.61×17.61mm).


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