How big is a 5 carat kunzite?

By HeyGema™ · Updated

In short

A 5 carat round kunzite measures about 11.4 mm across (0.45 inches), 3% wider than a 5 carat diamond (11.0 mm). An oval of the same weight is 14.2 x 9.7 mm and an emerald cut 12.4 x 8.8 mm.

Carat to mm calculator

About 11.4 x 11.4 mm

An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.

Round
11.4 mm
Oval
14.2 x 9.7 mm
Cushion
9.9 x 9.9 mm
Princess
9.7 x 9.7 mm
Emerald cut
12.4 x 8.8 mm
Asscher
9.7 x 9.7 mm
Radiant
11.5 x 8.8 mm
Pear
15.0 x 9.7 mm
Marquise
18.4 x 9.2 mm
Heart
11.5 x 11.5 mm
Trillion
12.4 x 12.4 mm
Baguette
14.2 x 7.1 mm
= 5 mm in every picture above
A 5 carat kunzite in 12 shapes, drawn to one scale.

5 carat kunzite size by shape

Face-up measurements of a well-cut 5 carat kunzite. Kunzite is lighter than diamond (3.18 against 3.52), so the same weight gives a bigger stone, 3% wider across.

Round
Length x width: 11.4 mm
In inches: 0.45 in
Oval
Length x width: 14.2 x 9.7 mm
In inches: 0.56 x 0.38 in
Cushion
Length x width: 9.9 x 9.9 mm
In inches: 0.39 x 0.39 in
Princess
Length x width: 9.7 x 9.7 mm
In inches: 0.38 x 0.38 in
Emerald cut
Length x width: 12.4 x 8.8 mm
In inches: 0.49 x 0.35 in
Asscher
Length x width: 9.7 x 9.7 mm
In inches: 0.38 x 0.38 in
Radiant
Length x width: 11.5 x 8.8 mm
In inches: 0.45 x 0.35 in
Pear
Length x width: 15.0 x 9.7 mm
In inches: 0.59 x 0.38 in
Marquise
Length x width: 18.4 x 9.2 mm
In inches: 0.72 x 0.36 in
Heart
Length x width: 11.5 x 11.5 mm
In inches: 0.45 x 0.45 in
Trillion
Length x width: 12.4 x 12.4 mm
In inches: 0.49 x 0.49 in
Baguette
Length x width: 14.2 x 7.1 mm
In inches: 0.56 x 0.28 in

5 carat kunzite against other gems

Diamond
Round, 5 carat: 11.0 mm
Moissanite
Round, 5 carat: 11.4 mm
Sapphire
Round, 5 carat: 10.6 mm
Ruby
Round, 5 carat: 10.6 mm
Emerald
Round, 5 carat: 12.0 mm
Aquamarine
Round, 5 carat: 12.0 mm
Morganite
Round, 5 carat: 11.9 mm
Tanzanite
Round, 5 carat: 11.2 mm
Kunzite (this page)
Round, 5 carat: 11.4 mm

5 carat kunzite on a finger

11.4 mm
11.4 mm stone on a 16.5 mm finger: it covers 69% of the widthA round 5 carat kunzite on a size 6 finger.
4
Finger width: 14.9 mm
Round covers: 77%
Oval covers: 65%
5
Finger width: 15.7 mm
Round covers: 73%
Oval covers: 62%
6
Finger width: 16.5 mm
Round covers: 69%
Oval covers: 59%
7
Finger width: 17.3 mm
Round covers: 66%
Oval covers: 56%
8
Finger width: 18.1 mm
Round covers: 63%
Oval covers: 54%
9
Finger width: 18.9 mm
Round covers: 60%
Oval covers: 51%

Kunzite at nearby weights

4 carat kunzite
Round diameter: 10.6 mm
5 ct (this page)
Round diameter: 11.4 mm
10 carat kunzite
Round diameter: 14.4 mm

Questions

A round 5 carat kunzite is about 11.4 mm across. Other shapes are longer than they are wide: an oval is 14.2 x 9.7 mm.
Yes. A round 5 carat kunzite is 3% wider than a 5 carat diamond (11.0 mm).
1.00 grams. A carat is 200 milligrams for every gem.
A round 5 carat kunzite covers 69% of the width of a size 6 finger. Compare it with a ring you have tried on in the finger chart above.

More size charts