Jan Logan offers complimentary shipping and a 14 days change of mind policy on all orders worldwide.
Earring length is approximately 6mm.
All of our diamond suppliers adhere to the Kimberley process, a commitment to remove conflict diamonds from the global supply chain.
All our metal merchants are certified with the Responsible Jewellery Council (RJC) as meeting ethical, human rights, social and environmental standards as established by the RJC's Certification System.
CIRCUM (MM) |
DIAM (MM) |
AUS, UK EUR |
USA | ASIA | SWISS |
---|---|---|---|---|---|
44.2 | 14.1 | F | 3 | 4 | 4 |
44.8 | 14.3 | F½ | 5 | 5¼ | |
45.5 | 14.5 | G | 3½ | ||
46.1 | 14.7 | G½ | 6 | 6½ | |
46.8 | 14.9 | H | 4 | 7 | |
47.4 | 15.1 | H½ | ¾ | ||
48.0 | 15.3 | I | 4½ | 8 | |
48.7 | 15.5 | J | 9 | ||
49.3 | 15.7 | J½ | 5 | 9 | |
50.0 | 15.9 | K | 10 | ||
50.6 | 16.1 | K½ | 5½ | 10 | |
51.2 | 16.3 | L | 11¾ | ||
51.9 | 16.5 | L½ | 6 | 11 | 12¾ |
52.5 | 16.7 | M | 12 | ||
53.1 | 16.9 | M½ | 6½ | 13 | 14 |
53.8 | 17.1 | N | |||
54.4 | 17.3 | N½ | 7 | 14 | 15½ |
55.1 | 17.5 | O | |||
55.7 | 17.7 | O½ | 7½ | 15 | 16½ |
56.3 | 17.9 | P | |||
57.0 | 18.1 | P½ | 8 | 16 | 17¾ |
57.6 | 18.3 | Q | |||
58.3 | 18.5 | Q½ | 8½ | 17 | |
58.9 | 18.8 | R | 19 | ||
59.5 | 19.0 | R½ | 9 | 18 | |
60.2 | 19.2 | S | 20¼ | ||
60.8 | 19.4 | S½ | 9½ | 19 | |
61.4 | 19.6 | T | 21½ | ||
62.1 | 19.8 | T½ | 10 | 20 | |
62.7 | 20.0 | U | 21 | ||
63.4 | 20.2 | U½ | 10½ | 22 | 22¾ |
64.0 | 20.4 | V | |||
64.6 | 20.6 | V½ | 11 | 23 | |
65.3 | 20.8 | W | 25 | ||
65.9 | 21.0 | W½ | 11½ | 24 | |
66.6 | 21.2 | X | |||
67.2 | 21.4 | X½ | 12 | 25 | 27½ |
67.8 | 21.6 | Y | |||
68.5 | 21.8 | Z | 12½ | 26 | 28¾ |
69.1 | 22.0 | Z½ | |||
69.7 | 22.2 | Z+1 | 13 | 27 | |
70.4 | 22.4 | ||||
71.0 | 22.6 | 13 |
Print the ring size guide and follow instructions to find out what size your existing ring is: