5+ – Chalfen of London

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Blue Sapphire Three Stone Dress Ring

£15,000.00

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Trillion Yellow Topaz Halo Ring 7.36ct

£2,068.00

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Yellow Sapphire and Diamond Ring

£6,542.00

Ring Dia ⌀ (Inside)		Ring Circumference (Inside)		‹ International Standard Sizes ›
MM	Inches	MM	Inches	UK / AU	USA / CA	Europe
9.9	0.390	31.1	1.22	·	0000	·
10.7	0.442	33.7	1.39	·	00	·
11.5	0.454	36.2	1.43	·	0	·
12.0	0.470	37.5	1.50	A	1/2	·
12.2	0.479	38.3	1.51	A 1/2	3/4	·
12.4	0.487	38.9	1.53	B	1	·
12.6	0.506	39.6	1.56	B 1/2	1 1/4	·
12.8	0.503	40.2	1.58	C	1 1/2	·
13.0	0.511	40.8	1.61	C 1/2	1 3/4	·
13.2	0.520	41.5	1.63	D	2	41 1/2
13.4	0.528	42.1	1.66	D 1/2	2 1/4	·
13.6	0.536	42.8	1.68	E	2 1/2	42 3/4
13.8	0.544	43.5	1.71	E 1/2	2 3/4	·
14.0	0.553	44.1	1.74	F	3	44
14.2	0.557	44.5	1.75	F 1/2	3 1/8	·
14.3	0.561	44.8	1.76	F 3/4	3 1/4	·
14.4	0.565	45.1	1.77	G	3 3/8	45 1/4
14.5	0.568	45.4	1.79	G 1/4	3 1/2	·
14.6	0.573	45.7	1.80	G 1/2	3 5/8	·
14.7	0.576	46.0	1.81	H	3 3/4	46 1/2
14.9	0.585	46.7	1.84	H 1/2	4	·
15.0	0.592	47.3	1.86	I	4 1/4	47 3/4
15.3	0.601	48.0	1.89	I 1/2	4 1/2	·
15.4	0.606	48.4	1.90	J	4 5/8	50
15.5	0.611	48.8	1.92	J 1/4	4 3/4	·
15.7	0.618	50.3	1.94	J 1/2	5	·
15.8	0.622	50.6	1.95	K	5 1/8	50
15.9	0.625	50.0	1.97	K 1/4	5 1/4	·
16.0	0.630	50.3	1.98	K 1/2	5 3/8	·
16.1	0.634	50.6	1.99	L	5 1/2	51 3/4
16.3	0.642	51.2	2.02	L 1/4	5 3/4	·
16.4	0.646	51.6	2.03	L 1/2	5 7/8	·
16.5	0.650	51.9	2.04	M	6	52 3/4
16.7	0.658	52.5	2.07	M 1/2	6 1/4	·
16.9	0.666	53.2	2.09	N	6 1/2	54
17.1	0.674	53.8	2.12	N 1/2	6 3/4	·
17.4	0.683	54.5	2.15	O	7	55 1/4
17.5	0.687	54.8	2.16	O 1/2	7 1/4	·
17.8	0.698	55.8	2.20	P	7 1/2	56 1/2
18.0	0.707	56.5	2.22	P 1/2	7 3/4	·
18.2	0.716	57.1	2.25	Q	8	57 3/4
18.4	0.722	57.7	2.27	Q 1/2	8 1/4	·
18.5	0.729	58.2	2.29	Q 3/4	8 1/2	·
18.6	0.733	58.5	2.30	R	8 5/8	59
18.7	0.736	58.7	2.31	R 1/4	8 3/4	·
18.8	0.740	59.1	2.32	R 1/2	8 7/8	·
18.9	0.743	59.3	2.35	R 3/4	9	·
19.1	0.752	60.0	2.36	S	9 1/8	60 1/4
19.2	0.757	60.4	2.38	S 1/4	9 1/4	·
19.3	0.760	60.7	2.39	S 1/2	9 3/8	·
19.4	0.764	61.0	2.40	S 3/4	9 1/2	·
19.5	0.768	61.3	2.41	T	9 5/8	61 1/2
19.6	0.772	61.6	2.43	T 1/4	9 3/4	·
19.8	0.781	62.3	2.45	T 1/2	10	·
20.0	0.780	62.9	2.48	U	10 1/4	62 3/4
20.2	0.795	63.5	2.50	U 1/2	10 1/2	·
20.3	0.800	63.8	2.51	V	10 5/8	63
20.4	0.805	64.2	2.53	V 1/4	10 3/4	·
20.7	0.814	65.0	2.56	V 1/2	11	·
20.8	0.817	65.2	2.57	W	11 1/8	65
20.9	0.821	65.5	2.58	W 1/4	11 1/4	·
20.9	0.824	65.8	2.59	W 1/2	11 3/8	·
21.0	0.830	66.2	2.61	W 3/4	11 1/2	·
21.2	0.834	66.5	2.62	X	11 5/8	66 1/4
21.2	0.836	66.7	2.63	X 1/4	11 3/4	·
21.3	0.838	66.9	2.64	X 1/2	11 7/8	·
21.5	0.846	67.5	2.66	Y	12	67 1/2
21.7	0.854	68.1	2.68	Y 1/2	12 1/4	·
21.9	0.861	68.8	2.71	Z	12 1/2	68 3/4
22.1	0.870	69.4	2.73	Z +1/2	12 3/4	·
22.3	0.879	70.2	2.76	Z+1	13	·
22.6	0.890	71.0	2.80	Z+1.5	13.5	·
22.7	0.893	71.3	2.81	Z+2	·	·
22.9	0.902	72.0	2.83	Z+2.5	·	·
23.0	0.908	72.5	2.85	Z+3	·	·
23.3	0.915	73.0	2.87	Z+3.5	·	·
23.5	0.924	73.7	2.90	Z+4	·	·
23.6	0.927	74.0	2.91	Z+4.5	·	·
23.9	0.940	75.0	2.95	Z+5	·	·
24.3	0.955	76.2	3.00	Z+6	·	·

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