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22ct Spinel (Emerald, 18.54×13.73mm, Red) vs 22ct Andesine (Emerald, 20.48×15.17mm, Orange)


Quick summary: When looked from above (face-up position), 22ct Andesine (20.48×15.17mm, emerald cut) appears 22% larger than 22ct Spinel (18.54×13.73mm, emerald cut). See below how they compare side-by-side on a ring and finger.

22ct Spinel (emerald cut)
vs
 22ct Andesine (emerald cut)
red
 
orange
18.54×13.73 mm 20.48×15.17 mm
actual size
Actual size of 22ct Spinel (emerald cut, 18.54×13.73mm, Red color)   Actual size of 22ct Andesine (emerald cut, 20.48×15.17mm, Orange color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 22ct Spinel (emerald cut, 18.54×13.73mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 22ct Andesine (emerald cut, 20.48×15.17mm) 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
 82% vs 90%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 22ct Spinel Emerald (18.54×13.73mm, Red) and 22ct Andesine Emerald (20.48×15.17mm, 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, Spinel will face-up smaller than Andesine for a given carat weight, because it has higher specific gravity (3.6 vs. 2.67 - this means it's "heavier" compared to Andesine 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.


22 Ct Spinel (Emerald) 22 Ct Andesine (Emerald)
18.54×13.73 mm vs 20.48×15.17 mm
236.74 mm²   288.93 mm²
Face-up size outline for 22ct Andesine (20.48×15.17mm, emerald cut)
Face-up size outline for 22ct Spinel (18.54×13.73mm, emerald cut)
22ct Spinel Emerald (18.54×13.73mm)
22ct Andesine Emerald (20.48×15.17mm)
Difference: 22% (52.19 mm²)
22ct Andesine (Emerald, 20.48×15.17mm) has approx. 22% more face-up area than 22ct Spinel (Emerald, 18.54×13.73mm).


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