Calibrated Gemstones

STANDARD GEMSTONE SIZES USED IN JEWELRY

CUT

MM SIZES

ROUND

2

2.25

2.5

3

3.5

4

4.5

5

5.5

6

6.5

7

7.5

8

9

10

11

12

13

14

16

18

20

22

OVAL

4 x 3

5 x 3

6 x 4

7 x 5

8 x 6

9 x 6

10 x 8

11 x 7

12 x 8

13 x 8

14 x 9

15 x 10

17 x 11

17 x 13

18 x 12

19 x 12

20 x 12

20 x 13

22 x 14

24 x 16

24 x 18

-

-

-

MARQUISE

4 x 2

5 x 3

6 x 3

7 x 4

8 x 4

9 x 5

10 x 5

11 x 5.5

12 x 6

13 x 6

14 x 7

16 x 8

18 x 9

20 x 10

-

-

-

-

-

-

-

-

-

-

EMERALD

4 x 3

5 x 3

6 x 4

7 x 5

8 x 6

9 x 7

10 x 8

12 x 10

14 x 10

16 x 12

18 x 13

20 x 15

22 x 16

24 x 17

25 x 18

-

-

-

-

-

-

-

-

-

PEAR

5 x 3

6 x 4

7 x 5

8 x 5

9 x 6

10 x 7

12 x 8

13 x 9

14 x 9

15 x 10

16 x 12

17 x 13

18 x 13

20 x 12

-

-

-

-

-

-

-

-

-

-

HEART

3 x 3

3.5 x 3.5

4 x 4

4.5 x 4.5

5 x 5

5.5 x 5.5

6 x 6

6.5 x 6.5

7 x 7

7.5 x 7.5

8 x 8

8.5 x 8.5

9 x 9

9.5 x 9.5

10 x 10

11x 11

12 x 12

15 x 15

16 x 16

18 x 18

20 x 20

-

-

-

SQUARE / PRINCESS

2.5 x 2.5

2.75 x 2.75

3 x 3

3.5 x 3.5

4 x 4

4.5 x 4.5

5 x 5

5.5 x 5.5

6 x 6

6.5 x 6.5

7 x 7

7.5 x 7.5

8 x 8

8.5 x 8.5

9 x 9

9.5 x 9.5

10 x 10

11 x 11

12 x 12

-

-

-

-

-

TRILLION

3 x 3

3.5 x 3.5

4 x 4

4.5 x 4.5

5 x 5

5.5 x 5.5

6 x 6

6.5 x 6.5

7 x 7

7.5 x 7.5

8 x 8

8.5 x 8.5

9 x 9

9.5 x 9.5

10 x 10

11 x 11

12 x12

-

-

-

-

-

-

-

WebSite / Page Copyright 2006 - 2008. ORIONS GEMZ AND JEWELRY - ALL RIGHTS RESERVED - ORDERING / CONTACT INFORMATION --> http://www.orionsgemz.com/orders.html