How big is a 10 carat aquamarine?
By HeyGema™ · Updated
In short
A 10 carat round aquamarine measures about 15.2 mm across (0.60 inches), 9% wider than a 10 carat diamond (13.9 mm). An oval of the same weight is 18.8 x 12.9 mm and an emerald cut 16.5 x 11.8 mm.
- 15.2 mmround aquamarine, across
- 0.60 inthe same in inches
- 2.00 gweight
- 92%of a size 6 finger's width
Carat to mm calculator
About 15.2 x 15.2 mm
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
Round
15.2 mm
Oval
18.8 x 12.9 mm
Cushion
13.2 x 13.2 mm
Princess
12.9 x 12.9 mm
Emerald cut
16.5 x 11.8 mm
Asscher
12.9 x 12.9 mm
Radiant
15.3 x 11.8 mm
Pear
20.0 x 12.9 mm
Marquise
24.5 x 12.2 mm
Heart
15.3 x 15.3 mm
Trillion
16.5 x 16.5 mm
Baguette
18.8 x 9.4 mm
= 5 mm in every picture above
10 carat aquamarine size by shape
Face-up measurements of a well-cut 10 carat aquamarine. Aquamarine is lighter than diamond (2.70 against 3.52), so the same weight gives a bigger stone, 9% wider across.
- Round
- Length x width: 15.2 mm
- In inches: 0.60 in
- Oval
- Length x width: 18.8 x 12.9 mm
- In inches: 0.74 x 0.51 in
- Cushion
- Length x width: 13.2 x 13.2 mm
- In inches: 0.52 x 0.52 in
- Princess
- Length x width: 12.9 x 12.9 mm
- In inches: 0.51 x 0.51 in
- Emerald cut
- Length x width: 16.5 x 11.8 mm
- In inches: 0.65 x 0.46 in
- Asscher
- Length x width: 12.9 x 12.9 mm
- In inches: 0.51 x 0.51 in
- Radiant
- Length x width: 15.3 x 11.8 mm
- In inches: 0.60 x 0.46 in
- Pear
- Length x width: 20.0 x 12.9 mm
- In inches: 0.79 x 0.51 in
- Marquise
- Length x width: 24.5 x 12.2 mm
- In inches: 0.96 x 0.48 in
- Heart
- Length x width: 15.3 x 15.3 mm
- In inches: 0.60 x 0.60 in
- Trillion
- Length x width: 16.5 x 16.5 mm
- In inches: 0.65 x 0.65 in
- Baguette
- Length x width: 18.8 x 9.4 mm
- In inches: 0.74 x 0.37 in
10 carat aquamarine against other gems
- Diamond
- Round, 10 carat: 13.9 mm
- Moissanite
- Round, 10 carat: 14.3 mm
- Sapphire
- Round, 10 carat: 13.3 mm
- Ruby
- Round, 10 carat: 13.3 mm
- Emerald
- Round, 10 carat: 15.1 mm
- Morganite
- Round, 10 carat: 15.0 mm
- Tanzanite
- Round, 10 carat: 14.1 mm
- Topaz
- Round, 10 carat: 13.9 mm
- Aquamarine (this page)
- Round, 10 carat: 15.2 mm
10 carat aquamarine on a finger
- 4
- Finger width: 14.9 mm
- Round covers: 102%
- Oval covers: 87%
- 5
- Finger width: 15.7 mm
- Round covers: 97%
- Oval covers: 82%
- 6
- Finger width: 16.5 mm
- Round covers: 92%
- Oval covers: 78%
- 7
- Finger width: 17.3 mm
- Round covers: 88%
- Oval covers: 75%
- 8
- Finger width: 18.1 mm
- Round covers: 84%
- Oval covers: 71%
- 9
- Finger width: 18.9 mm
- Round covers: 80%
- Oval covers: 68%
Aquamarine at nearby weights
- 5 carat aquamarine
- Round diameter: 12.0 mm
- 10 ct (this page)
- Round diameter: 15.2 mm
Questions
A round 10 carat aquamarine is about 15.2 mm across. Other shapes are longer than they are wide: an oval is 18.8 x 12.9 mm.
Yes. A round 10 carat aquamarine is 9% wider than a 10 carat diamond (13.9 mm).
2.00 grams. A carat is 200 milligrams for every gem.
A round 10 carat aquamarine covers 92% of the width of a size 6 finger. Compare it with a ring you have tried on in the finger chart above.