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33ct Rhodolite (Asscher, 17.33×17.33mm, Purple) vs 33ct Tourmaline (Asscher, 18.7×18.7mm, Purple)


Quick summary: When looked from above (face-up position), 33ct Tourmaline (18.7×18.7mm, asscher cut) appears 16% larger than 33ct Rhodolite (17.33×17.33mm, asscher cut). See below how they compare side-by-side on a ring and finger.

33ct Rhodolite (asscher cut)
vs
 33ct Tourmaline (asscher cut)
purple
 
purple
17.33×17.33 mm 18.7×18.7 mm
actual size
Actual size of 33ct Rhodolite (asscher cut, 17.33×17.33mm, Purple color)   Actual size of 33ct Tourmaline (asscher cut, 18.7×18.7mm, Purple color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Purple 33ct Rhodolite (asscher cut, 17.33×17.33mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Purple 33ct Tourmaline (asscher cut, 18.7×18.7mm) 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
 103% vs 111%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 33ct Rhodolite Asscher (17.33×17.33mm, Purple) and 33ct Tourmaline Asscher (18.7×18.7mm, Purple) 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, Rhodolite will face-up smaller than Tourmaline for a given carat weight, because it has higher specific gravity (3.84 vs. 3.06 - this means it's "heavier" compared to Tourmaline 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.


33 Ct Rhodolite (Asscher) 33 Ct Tourmaline (Asscher)
17.33×17.33 mm vs 18.7×18.7 mm
276.3 mm²   321.71 mm²
Face-up size outline for 33ct Tourmaline (18.7×18.7mm, asscher cut)
Face-up size outline for 33ct Rhodolite (17.33×17.33mm, asscher cut)
33ct Rhodolite Asscher (17.33×17.33mm)
33ct Tourmaline Asscher (18.7×18.7mm)
Difference: 16% (45.41 mm²)
33ct Tourmaline (Asscher, 18.7×18.7mm) has approx. 16% more face-up area than 33ct Rhodolite (Asscher, 17.33×17.33mm).


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