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7.5ct Kunzite (Round, 12.63×12.63mm, Light Purple) vs 7.5ct Diaspore (Round, 12.35×12.35mm, Light Yellowish Green)


Quick summary: When looked from above (face-up position), 7.5ct Kunzite (12.63×12.63mm, round cut) appears 5% larger than 7.5ct Diaspore (12.35×12.35mm, round cut). See below how they compare side-by-side on a ring and finger.

7.5ct Kunzite (round cut)
vs
 7.5ct Diaspore (round cut)
light purple
 
light yellowish green
12.63×12.63 mm 12.35×12.35 mm
actual size
Actual size of 7.5ct Kunzite (round cut, 12.63×12.63mm, Light Purple color)   Actual size of 7.5ct Diaspore (round cut, 12.35×12.35mm, Light Yellowish Green color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Purple 7.5ct Kunzite (round cut, 12.63×12.63mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Yellowish Green 7.5ct Diaspore (round cut, 12.35×12.35mm) 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
 75% vs 74%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 7.5ct Kunzite Round (12.63×12.63mm, Light Purple) and 7.5ct Diaspore Round (12.35×12.35mm, Light Yellowish 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, Diaspore will face-up smaller than Kunzite for a given carat weight, because it has higher specific gravity (3.4 vs. 3.18 - this means it's "heavier" compared to Kunzite 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.


7.5 Ct Kunzite (Round) 7.5 Ct Diaspore (Round)
12.63×12.63 mm vs 12.35×12.35 mm
125.28 mm²   119.79 mm²
Face-up size outline for 7.5ct Kunzite (12.63×12.63mm, round cut)
Face-up size outline for 7.5ct Diaspore (12.35×12.35mm, round cut)
7.5ct Kunzite Round (12.63×12.63mm)
7.5ct Diaspore Round (12.35×12.35mm)
Difference: 5% (5.49 mm²)
7.5ct Kunzite (Round, 12.63×12.63mm) has approx. 5% more face-up area than 7.5ct Diaspore (Round, 12.35×12.35mm).


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