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36ct Spinel (Marquise, 33.26×16.63mm, Red) vs 36ct Andesine (Marquise, 36.74×18.37mm, Orange)


Quick summary: When looked from above (face-up position), 36ct Andesine (36.74×18.37mm, marquise cut) appears 22% larger than 36ct Spinel (33.26×16.63mm, marquise cut). See below how they compare side-by-side on a ring and finger.

36ct Spinel (marquise cut)
vs
36ct Andesine (marquise cut)
red
 
orange
33.26×16.63 mm 36.74×18.37 mm
actual size
Actual size of 36ct Spinel (marquise cut, 33.26×16.63mm, Red color)   Actual size of 36ct Andesine (marquise cut, 36.74×18.37mm, Orange color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 36ct Spinel (marquise cut, 33.26×16.63mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orange 36ct Andesine (marquise cut, 36.74×18.37mm) 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
99% vs 109%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 36ct Spinel Marquise (33.26×16.63mm, Red) and 36ct Andesine Marquise (36.74×18.37mm, 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.


36 Ct Spinel (Marquise) 36 Ct Andesine (Marquise)
33.26×16.63 mm vs 36.74×18.37 mm
392.71 mm²   479.19 mm²
Face-up size outline for 36ct Andesine (36.74×18.37mm, marquise cut)
Face-up size outline for 36ct Spinel (33.26×16.63mm, marquise cut)
36ct Spinel Marquise (33.26×16.63mm)
36ct Andesine Marquise (36.74×18.37mm)
Difference: 22% (86.48 mm²)
36ct Andesine (Marquise, 36.74×18.37mm) has approx. 22% more face-up area than 36ct Spinel (Marquise, 33.26×16.63mm).


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