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Precious Gemstones

Customer Service

For questions about gifting and jewelry, contact a sales professional. For engagement guidance, contact a Diamond Expert.

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Please call (516) 466-0035 / M-F 9 to 6 EST

Consult one of our jewelry experts

For questions about jewelry, please contact us to speak with one of our Jewelry Experts.

Size Guide

Rings
Necklaces

Kallati uses standard US rings sizes. Please refer to our measurement chart below.

US Size

Inside circumference (mm)

2

41.7

3

42.9

3.5

45.5

4

46.8

4.5

48.0

5

49.3

5.5

50.6

6

51.9

6.5

53.1

7

54.4

7.5

55.7

8

57.0

8.5

58.3

9

59.5

9.5

60.8

10

62.1

10.5

63.4

11

64.6

11.5

65.9

12

67.2

12.5

68.5

13

69.7

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Length (in)

Length (cm)

16

40.50

18

45.75

20

50.75

24

61.00

30

76.25

36

91.50

View & Download and Complete Guide