How big is a 1.5 carat zircon?
By HeyGema™ · Updated
In short
A 1.5 carat round zircon measures about 6.7 mm across (0.26 inches), 9% narrower than a 1.5 carat diamond (7.4 mm). An oval of the same weight is 8.3 x 5.7 mm and an emerald cut 7.3 x 5.2 mm.
- 6.7 mmround zircon, across
- 0.26 inthe same in inches
- 0.30 gweight
- 41%of a size 6 finger's width
Carat to mm calculator
About 6.7 x 6.7 mm
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
Round
6.7 mm
Oval
8.3 x 5.7 mm
Cushion
5.8 x 5.8 mm
Princess
5.7 x 5.7 mm
Emerald cut
7.3 x 5.2 mm
Asscher
5.7 x 5.7 mm
Radiant
6.8 x 5.2 mm
Pear
8.8 x 5.7 mm
Marquise
10.8 x 5.4 mm
Heart
6.8 x 6.8 mm
Trillion
7.3 x 7.3 mm
Baguette
8.3 x 4.2 mm
= 2 mm in every picture above
1.5 carat zircon size by shape
Face-up measurements of a well-cut 1.5 carat zircon. Zircon is denser than diamond (4.69 against 3.52), so it packs more weight into less space and faces up 9% narrower for the same weight.
- Round
- Length x width: 6.7 mm
- In inches: 0.26 in
- Oval
- Length x width: 8.3 x 5.7 mm
- In inches: 0.33 x 0.23 in
- Cushion
- Length x width: 5.8 x 5.8 mm
- In inches: 0.23 x 0.23 in
- Princess
- Length x width: 5.7 x 5.7 mm
- In inches: 0.23 x 0.23 in
- Emerald cut
- Length x width: 7.3 x 5.2 mm
- In inches: 0.29 x 0.20 in
- Asscher
- Length x width: 5.7 x 5.7 mm
- In inches: 0.23 x 0.23 in
- Radiant
- Length x width: 6.8 x 5.2 mm
- In inches: 0.27 x 0.20 in
- Pear
- Length x width: 8.8 x 5.7 mm
- In inches: 0.35 x 0.23 in
- Marquise
- Length x width: 10.8 x 5.4 mm
- In inches: 0.43 x 0.21 in
- Heart
- Length x width: 6.8 x 6.8 mm
- In inches: 0.27 x 0.27 in
- Trillion
- Length x width: 7.3 x 7.3 mm
- In inches: 0.29 x 0.29 in
- Baguette
- Length x width: 8.3 x 4.2 mm
- In inches: 0.33 x 0.16 in
1.5 carat zircon against other gems
- Diamond
- Round, 1.5 carat: 7.4 mm
- Moissanite
- Round, 1.5 carat: 7.6 mm
- Sapphire
- Round, 1.5 carat: 7.1 mm
- Ruby
- Round, 1.5 carat: 7.1 mm
- Emerald
- Round, 1.5 carat: 8.0 mm
- Aquamarine
- Round, 1.5 carat: 8.1 mm
- Morganite
- Round, 1.5 carat: 8.0 mm
- Tanzanite
- Round, 1.5 carat: 7.5 mm
- Zircon (this page)
- Round, 1.5 carat: 6.7 mm
1.5 carat zircon on a finger
- 4
- Finger width: 14.9 mm
- Round covers: 45%
- Oval covers: 38%
- 5
- Finger width: 15.7 mm
- Round covers: 43%
- Oval covers: 36%
- 6
- Finger width: 16.5 mm
- Round covers: 41%
- Oval covers: 35%
- 7
- Finger width: 17.3 mm
- Round covers: 39%
- Oval covers: 33%
- 8
- Finger width: 18.1 mm
- Round covers: 37%
- Oval covers: 32%
- 9
- Finger width: 18.9 mm
- Round covers: 35%
- Oval covers: 30%
Zircon at nearby weights
- 1 carat zircon
- Round diameter: 5.9 mm
- 1.5 ct (this page)
- Round diameter: 6.7 mm
- 2 carat zircon
- Round diameter: 7.4 mm
Questions
A round 1.5 carat zircon is about 6.7 mm across. Other shapes are longer than they are wide: an oval is 8.3 x 5.7 mm.
No. A round 1.5 carat zircon is 9% narrower than a 1.5 carat diamond (7.4 mm).
0.30 grams. A carat is 200 milligrams for every gem.
A round 1.5 carat zircon covers 41% of the width of a size 6 finger. Compare it with a ring you have tried on in the finger chart above.