Blue Opal Vintage Black Ring

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Size Guide
Item Type: Ring
Gemstone: Blue Opal
Style: Trendy
Gender: Women
Shape\pattern: Geometric
Surface Width: 13mm
Metals Type: Copper
Ring Sizes: 5, 6, 7, 8, 9, 10, 11
A protective stone known to relieve headaches, insulin regulation, sexual disorders, menstrual cramps, bone disorders, vertigo, neural issues, appetite problems and fatigue, Opal is ideal for Parkinson’s disease too. 

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Ring Size Chart
AtPerry's uses US Ring Sizes.
Select a ring size in one category, the rest will change to match.
USA size Diam. inch. Diam. mm Circum. mm
British French German Japanese Swiss
Follow this Ring Size Chart to convert your Local Ring Size to USA Ring Size

International Ring Size Table

AtPerry's Size
(US / Canada)

UK / Australia / South Africa France Germany / Russia / Ukraine / Asia India / China / Japan / South America / Turkey / Israel Italy / Spain / Netherlands / Switzerland
½ A --- --- --- ---
1 B --- --- 1 ---
1 1/2 C --- --- --- ---
2 D 41 1/2 13 1/4 2 1 1/2
2 1/4 D-½ 42 1/8 13 1/2 --- ---
2 1/2 E 42 3/4 13 3/4 3 2 3/4
2 3/4 E-½ 43 3/8 --- --- 3 3/8
3 F 44 14 4 4
3 1/4 F-½ 44 5/8 14 1/4 ---

4 5/8

3 1/2 G 45 1/4 14 1/2 5 5 1/4
3 3/4 G-½ 45 7/8 14 3/4 6 5 7/8
4 H 46 1/2 15 7 6 1/2
4 1/4 H-½ 47 1/8 --- --- 7 1/8
4 1/2 I 47 3/4 15 1/4 8 7 3/4
4 3/4 J 48 3/8 15 1/2 --- 8 3/8
5 J-½ 49 15 3/4 9 9
5 1/4 K 49 5/8 16 --- 9 5/8
5 1/2 K-½ 50 1/4 16 1/4 10 10 1/4
5 3/4 L 50 7/8 --- 11 10 7/8
6 L-½ 51 1/2 16 1/2 12 11 1/2
6 1/4 M 52 1/8 16 3/4 --- 12 1/8
6 1/2 M-½ 52 3/4 17 13 12 3/4
6 3/4 N 53 3/8 --- --- 13 3/8
7 O 54 17 1/4 14 14
7 1/4 O-½ 54 5/8 17 1/2 --- 14 5/8
7 1/2 P 55 1/4 17 3/4 15 15 1/4
7 3/4 P-½ 55 7/8 18 --- 15 7/8
8 Q 56 1/2 --- 16 16 1/2
8 1/4 Q-½ 57 1/8 18 1/4 --- 17 1/8
8 1/2 R 57 3/4 18 1/2 17 17 3/4
8 3/4 R-½ 58 3/8 18 3/4 --- 18 3/8
9 S 59 19 18 19
9 1/4 S-½ 59 5/8 19 1/4 --- 19 5/8
9 1/2 --- 60 1/4 19 1/2 19 20 1/4
9 3/4 T 60 7/8 --- --- 20 7/8
10 T-½ 61 1/2 19 3/4 20 21 1/2
10 1/4 U 62 1/8 20 21 22 1/8
10 1/2 U-½ 62 3/4 --- 22 22 3/4
10 3/4 V 63 3/8 20 1/2 --- 23 3/8
11 V-½ 64 20 3/4 23 24
11 1/4 W 64 5/8 --- --- 24 5/8
11 1/2 W-½ 65 1/4 21 24 25 1/4
11 3/4 X 65 7/8 21 1/4 --- 25 7/8
12 Y 66 1/2 21 1/2 25 26 1/2
12 1/4 Y-½ 67 1/8 --- --- 27 1/8
12 1/2 Z 67 3/4 21 3/4 26 27 3/4
12 3/4 Z-½ 68 3/8 --- --- 28 3/8
13 --- 69 22 27 29