Prism Gems Birthstone Necklace

length in inches

length in cm

fit

style

12” - 13"

30 - 33cm

fits snug around neck
(fit may vary)

14” - 15”

35 - 38cm

fits snug around collar neckline
(fit may vary)

16” - 17”

40 - 43cm

sits right where your clavicles meet
(fit may vary)

collar,
average length

18” - 19”

45 - 48cm

sits right above the breastbone

princess

20” - 22”

sits right at the top of your chest

matinee,
t-shirt length

24”

60cm

sits right at the center of your chest

matinee,
longer length

30”

76cm

sits a little ways below your chest

opera,
longer length

36”

91cm

sits right above your stomach

ropes, lariats

XS

6 inches

S

6.5 inches

M

7 inches

L

7.5 inches

XL

8 inches

Measurement
(mm)

Ring size

Measurement
(mm)

Ring size

44.2

3

59.5

9

45.5

3.5

60.8

9.5

46.8

4

62.1

10

48

4.5

63.3

10.5

49.3

5

64.6

11

50.6

5.5

65.9

11.5

51.8

6

67.2

12

53.1

6.5

68.4

12.5

54.4

7

69.7

13

55.7

7.5

71.1

13.5

56.9

8

72.3

14

58.2

8.5

73.5

14.5