Lab Grown & Natural Gemstones

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Ring Size Table

DIAMETER (MM) CIRCUMFERENCE (MM) US & CANADA AUSTRALIA UK & IRELAND EUROPE SPAIN & ITALY JAPAN
14.1 44.29 3 F 44 4 4
14.5 45.55 3.5 G 45 5.5 6
14.9 46.80 4 H 47 7 7
15.3 48.06 4.5 I 48 9 8
15.7 49.32 5 J 1/2 50 10 9
16.1 50.57 5.5 K 1/2 52 12 10
16.5 51.83 6 L 1/2 53 13 11
16.7 52.46 - - - - 12
16.9 53.09 6.5 M 1/2 54 14 13
17.3 54.34 7 N 1/2 55 15 14
17.7 55.06 7.5 O 1/2 56 16.5 15
18.1 56.86 8 P 1/2 57 18 16
18.5 58.11 8.5 Q 1/2 58 19 17
18.8 59.06 - - - - 18
19.0 59.69 9 R 1/2 59 20 -
19.4 60.94 9.5 S 1/2 60 21.5 19
19.8 62.20 10 T 1/2 61 22 20
20.0 62.83 - - - - 21
20.2 6.46 10.5 U 1/2 62 23.5 22
20.6 64.71 11 V 1/2 63 25 23
21.0 65.97 11.5 W 1/ 64 26 24
21.4 67.23 12 X 1/2 66 27.5 -
21.5 67.54 - - - - 25
21.6 67.85 - - 68 - -
21.8 68.48 12.5 Z - 28 -
21.9 68.80 - - 69 - 26
22.1 69.42 - - - 29 -
22.3 70.05 13 - 70 30 27
22.5 70.68 - Z 1/2 - - -
22.6 70.99 13.5 - - - -
22.7 71.31 - - 71 31 28
22.9 71.94 - Z+2 72 32 -
23.2 72.88 14 Z+3 - - -