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Sirciam Jewelry
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: : : Size Chart : : :

Size Guide

Sirciam rings are available in the sizes listed below. 

We do offer quarter sizes by special request.  During the checkout process please 'add order note' and we would be happy to accommodate you.

Ring Sizes

INTERNAL DIAMETER USA & CANADA UK EUROPE JAPAN
13.7 mm 2.5 E 42 3/4 3
14.1 mm 3 F 44 4
14.5 mm 3.5 G 45 /14 5
14.8 mm 4 H 1/2 46 1/2 7
15.2 mm 4.5 I 1/2 47 3/4 8
15.7mm 5 J 1/2 50 9
16.1mm 5.5 L 51 3/4 10 1/2
16.5mm 6 M 52 3/4 12
16.9 mm 6.5 N 54 13
17.3 mm 7 O 55 1/4 14
17.7 mm 7.5 P 56 1/2 15
18.2 mm 8 Q 57 3/4 16
18.5 mm 8.5 Q 1/2 58 1/2 17
18.9 mm 9 R 1/2 60 18
19.4 mm 9.5 S 1/2 61 1/2 19
19.8 mm 10 T 1/2 62 1/4 20
20.2 mm 10.5 U 1/2 63 22
20.7 mm 11 V 1/2 64 1/2 23
21.1 mm 11.5 W 1/2 66 1/4 24
21.5 mm 12 Y 67 1/2 25
21.9 mm 12.5 Z 68 3/7 26
22 mm 13 Z+1 70 27




"Sirciam is a fine jewelry brand that speaks in warm rose gold though astrological and outer-worldly themes. 

We weave a bit of magic from the stars into the pieces we make dream-telling in our personal color combinations, shape, textures and feelings. "

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