Diamond Classics

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Classic designs that never go out of style! Let us help you find the perfect diamond studs, eternity bracelets, diamond necklaces or earrings.

SKD RING SIZE	Inside Diameter in millimeters	American Size

45.24	14.40	3 1/2
45.5	14.48
45.75	14.56	3 3/4
46	14.64
46.5	14.80	4
47	14.96	4 1/4
47.5	15.10
47.73	15.20	4 1/2
48	15.30
48.5	15.44	4 3/4
49	15.60	5
49.5	15.76	5 1/4
50	15.90
50.24	16.00	5 1/2
50.5	16.10
51	16.23	5 3/4
51.5	16.39	6
52	16.55	6 1/4
52.5	16.70
52.75	16.80	6 1/2
53	16.90
53.5	17.03	6 3/4
54	17.19	7
54.5	17.30
54.64	17.40	7 1/4
55	17.50
55.26	17.60	7 1/2
55.5	17.70
56	17.83	7 3/4
56.5	17.99	8
57	18.10
57.15	18.20	8 1/4
57.5	18.30
57.78	18.40	8 1/2
58	18.50
58.5	18.62	8 3/4
59	18.78	9
59.5	18.90
59.66	19.00	9 1/4
60	19.10
60.29	19.20	9 1/2
60.5	19.30
61	19.42	9 3/4
61.5	19.58	10
62	19.70
62.17	19.80	10 1/4
62.8	20.00	10 1/2
63	20.05
63.43	20.20	10 3/4
64	20.37	11
64.68	20.60	11 1/4
65	20.70
65.3	20.80	11 1/2
66	21.01	11 3/4
66.57	21.20	12
67.2	21.40	12 1/4
67.82	21.60	12 1/2
68.45	21.80	12 3/4
69.1	22.00	13