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40ct Sinhalite (Oval, 27.47×18.31mm, Light Brown) vs 40ct Andesine (Oval, 30×20mm, Orange)


Quick summary: When looked from above (face-up position), 40ct Andesine (30×20mm, oval cut) appears 19% larger than 40ct Sinhalite (27.47×18.31mm, oval cut). See below how they compare side-by-side on a ring and finger.

40ct Sinhalite (oval cut)
vs
 40ct Andesine (oval cut)
light brown
 
orange
27.47×18.31 mm 30×20 mm
actual size
Actual size of 40ct Sinhalite (oval cut, 27.47×18.31mm, Light Brown color)   Actual size of 40ct Andesine (oval cut, 30×20mm, Orange color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Brown 40ct Sinhalite (oval cut, 27.47×18.31mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 40ct Andesine (oval cut, 30×20mm) 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
 109% vs 119%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 40ct Sinhalite Oval (27.47×18.31mm, Light Brown) and 40ct Andesine Oval (30×20mm, 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, Sinhalite will face-up smaller than Andesine for a given carat weight, because it has higher specific gravity (3.48 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.


40 Ct Sinhalite (Oval) 40 Ct Andesine (Oval)
27.47×18.31 mm vs 30×20 mm
412.44 mm²   492 mm²
Face-up size outline for 40ct Andesine (30×20mm, oval cut)
Face-up size outline for 40ct Sinhalite (27.47×18.31mm, oval cut)
40ct Sinhalite Oval (27.47×18.31mm)
40ct Andesine Oval (30×20mm)
Difference: 19% (79.56 mm²)
40ct Andesine (Oval, 30×20mm) has approx. 19% more face-up area than 40ct Sinhalite (Oval, 27.47×18.31mm).


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