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5ct Diopside (Emerald, 11.64×8.62mm, Green) vs 5ct Tourmaline (Emerald, 11.89×8.81mm, Violet)


Quick summary: When looked from above (face-up position), 5ct Tourmaline (11.89×8.81mm, emerald cut) appears 4% larger than 5ct Diopside (11.64×8.62mm, emerald cut). See below how they compare side-by-side on a ring and finger.

5ct Diopside (emerald cut)
vs
 5ct Tourmaline (emerald cut)
green
 
violet
11.64×8.62 mm 11.89×8.81 mm
actual size
Actual size of 5ct Diopside (emerald cut, 11.64×8.62mm, Green color)   Actual size of 5ct Tourmaline (emerald cut, 11.89×8.81mm, Violet color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Green 5ct Diopside (emerald cut, 11.64×8.62mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Violet 5ct Tourmaline (emerald cut, 11.89×8.81mm) 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
 52% vs 53%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 5ct Diopside Emerald (11.64×8.62mm, Green) and 5ct Tourmaline Emerald (11.89×8.81mm, Violet) 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, Diopside will face-up smaller than Tourmaline for a given carat weight, because it has higher specific gravity (3.3 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.


5 Ct Diopside (Emerald) 5 Ct Tourmaline (Emerald)
11.64×8.62 mm vs 11.89×8.81 mm
93.31 mm²   97.42 mm²
Face-up size outline for 5ct Tourmaline (11.89×8.81mm, emerald cut)
Face-up size outline for 5ct Diopside (11.64×8.62mm, emerald cut)
5ct Diopside Emerald (11.64×8.62mm)
5ct Tourmaline Emerald (11.89×8.81mm)
Difference: 4% (4.11 mm²)
5ct Tourmaline (Emerald, 11.89×8.81mm) has approx. 4% more face-up area than 5ct Diopside (Emerald, 11.64×8.62mm).


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