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30ct Andesine (Asscher, 18.95×18.95mm, Orange) vs 30ct Benitoite (Asscher, 17.08×17.08mm, Blue)


Quick summary: When looked from above (face-up position), 30ct Andesine (18.95×18.95mm, asscher cut) appears 23% larger than 30ct Benitoite (17.08×17.08mm, asscher cut). See below how they compare side-by-side on a ring and finger.

30ct Andesine (asscher cut)
vs
30ct Benitoite (asscher cut)
orange
 
blue
18.95×18.95 mm 17.08×17.08 mm
actual size
Actual size of 30ct Andesine (asscher cut, 18.95×18.95mm, Orange color)   Actual size of 30ct Benitoite (asscher cut, 17.08×17.08mm, Blue color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 30ct Andesine (asscher cut, 18.95×18.95mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 30ct Benitoite (asscher cut, 17.08×17.08mm) 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
113% vs 102%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 30ct Andesine Asscher (18.95×18.95mm, Orange) and 30ct Benitoite Asscher (17.08×17.08mm, Blue) 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, Benitoite will face-up smaller than Andesine for a given carat weight, because it has higher specific gravity (3.65 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.


30 Ct Andesine (Asscher) 30 Ct Benitoite (Asscher)
18.95×18.95 mm vs 17.08×17.08 mm
330.37 mm²   268.39 mm²
Face-up size outline for 30ct Andesine (18.95×18.95mm, asscher cut)
Face-up size outline for 30ct Benitoite (17.08×17.08mm, asscher cut)
30ct Andesine Asscher (18.95×18.95mm)
30ct Benitoite Asscher (17.08×17.08mm)
Difference: 23% (61.98 mm²)
30ct Andesine (Asscher, 18.95×18.95mm) has approx. 23% more face-up area than 30ct Benitoite (Asscher, 17.08×17.08mm).


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