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11.3ct Kunzite (Emerald, 13×11mm, Light Purple) vs 2.4ct Tourmaline (Princess, 8.2×8.2mm, Bluish Green)


Quick summary: When looked from above (face-up position), 11.3ct Kunzite (13×11mm, emerald cut) appears 98% larger than 2.4ct Tourmaline (8.2×8.2mm, princess cut). See below how they compare side-by-side on a ring and finger.

11.3ct Kunzite (emerald cut)
vs
2.4ct Tourmaline (princess cut)
light purple
 
bluish green
13×11 mm 8.2×8.2 mm
actual size
Actual size of 11.3ct Kunzite (emerald cut, 13×11mm, Light Purple color)   Actual size of 2.4ct Tourmaline (princess cut, 8.2×8.2mm, Bluish Green color)
 
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Left finger image
Ring on left finger
Light Purple 11.3ct Kunzite (emerald cut, 13×11mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Bluish Green 2.4ct Tourmaline (princess cut, 8.2×8.2mm) 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
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Ring diameter: 16.9 mm
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Actual sizes of 11.3ct Kunzite Emerald (13×11mm, Light Purple) and 2.4ct Tourmaline Princess (8.2×8.2mm, Bluish Green) 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, Kunzite will face-up slightly smaller than Tourmaline for a given carat weight, because it has higher specific gravity (3.18 vs. 3.1 - this means it's "slightly 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.


11.3 Ct Kunzite (Emerald) 2.4 Ct Tourmaline (Princess)
13×11 mm vs 8.2×8.2 mm
132.99 mm²   67.24 mm²
Face-up size outline for 11.3ct Kunzite (13×11mm, emerald cut)
Face-up size outline for 2.4ct Tourmaline (8.2×8.2mm, princess cut)
11.3ct Kunzite Emerald (13×11mm)
2.4ct Tourmaline Princess (8.2×8.2mm)
Difference: 98% (65.75 mm²)
11.3ct Kunzite Emerald (13×11mm) has approx. 98% more face-up area than 2.4ct Tourmaline Princess (8.2×8.2mm).


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