Perpetua Sapphire Ring

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Size:

Size chart Ring Sizing Chart

all | mm | inch

INTERNAL DIAMETER OF THE RING (inches)	0.60	0.62	0.63	0.65	0.67	0.68	0.70	0.72	0.73	0.74	0.76	0.78	0.80	0.81	0.83	0.84	0.86	0.88
CIRCUMFERENCE OF THE FINGER (inches)	1.89	1.94	1.99	2.04	2.09	2.14	2.19	2.25	2.29	2.34	2.40	2.45	2.50	2.55	2.60	2.64	2.70	2.74
INTERNAL DIAMETER OF THE RING (mm)	15.3	15.7	16.1	16.5	16.9	17.4	17.8	18.2	18.5	18.9	19.4	19.8	20.2	20.68	21.08	21.49	21.89	22.33
CIRCUMFERENCE OF THE FINGER (mm)	47.9	49.3	50.6	51.8	53.1	54.5	55.7	57.1	58.2	59.3	60.9	62.3	63.4	64.10	65.31	66.61	67,91	69,11
USA	4½	5	5½	6	6½	7	7½	8	8½	9	9½	10	10½	11	11½	12	12½	13
EUROPE	48	49	50.5	52	53	54.5	55	56.5	58	59.5	61	62.5	63.5	64.5	66	67	68	69.5
UK	I	J	K	L	M	N	O	P	Q	R	S	T	U	V½	w1½	Y	Z	Z½
JAPAN, CHINA, SOUTH AMERICA	8	9	10	11	13	14	15	16	17	18	19	20	22	23	24	25	26	27
RUSSIA	15.5	15¾	16	16.5	17	17¼	17¾	18	18.5	19	19.5	20	20¼	20¾	21	21¼	21¾	22

 

Sizing: The Perfect Ring

The perfect ring must have the perfect fit. You can use our size guide below once you have measured your finger using some advice from our experienced jewelers. This will make sure you have a ring that is made for your finger alone.

Firstly, make sure to measure at the right time of day. Your fingers get a little bigger towards evening time, so try not to measure in the morning. Night time is best. Also make sure your hands are warm, as temperature can also affect their size. If you are hoping to wear a thicker band of ring, make sure to go up a full size, as these designs tend to have a tighter fit than slimmer bands. It is important to measure the finger on which you intend to wear the ring for the most suitable fit.

You can easily do this at home using a slim strip of paper and a pencil. Simply encircle your chosen finger so the paper strip snugly fits around it. Make a mark with your pencil where the paper touches.

Lay the paper strip flat and measure it with a ruler or measuring tape (make sure to do this in millimeters) and then divide the result by 3.14. Use our helpful chart below to source your size.

4 Select size

Size

4

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4.5

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5

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5.5

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6

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6.5

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7

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7.5

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8

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8.5

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9

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9.5

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10

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10.5

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11

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11.5

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12.5

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12

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13

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925 Sterling Silver Casual Statement

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