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Gemstones UK Ltd

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 We buy and sell watches uk & worldwide from a Rolex watch,Cartier, Breitling,Tag Heuer,Patek Philippe,Tiffany,Omega,chopard & others,we are also Looking to purchase new, pre owned & antique jewellery,diamonds,A single Diamond ring scrap jewellery,& signed pieces,rolex,Cartier,chopard,bvlgari,tiffany
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GemstonesUK LTD

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GemstonesUK Ltd Ring Size Conversion Chart
Use this chart to convert other standards to the US ring sizes.

US  Size Dia.in inch Dia. in MM British  French  German  Japanese  Swiss 
3 .553 14.05 F 44 14 4 4
3 1/4 - 14.25 - - -    
3 1/2 .569 14.45 - - 14 1/2    
3 3/4 - 14.65 H 46 1/2     6 1/2
4 .585 14.86 H 1/2 - 15 7  
4 1/4 - 15.04 47 3/4     7 3/4
4 1/2 .601 15.27 I 1/2 - 15 1/4 8  
4 3/4 - 15.53 - -      
5 .618 15.70 J 1/2 - 15 3/4 9  
5 1/4 - 15.90 - -      
5 1/2 .634 16.10 L 51 3/4 16   11 3/4
5 3/4 - 16.30 - -      
6 .650 16.51 M 52 3/4 16 1/2 12 12 3/4
6 1/4 - 16.71 M 1/2 -      
6 1/2 .666 16.92 N 54 17 13 14
6 3/4 - 17.13 N 1/2 -      
7 .683 17.35 O 55 1/4 17 1/4 14 15 1/4
7 1/4 - 17.45 O 1/2 -      
7 1/2 .699 17.75 P 56 1/2 17 3/4 15 16 1/2
7 3/4 - 17.97 P 1/2 -      
8 .716 18.19 Q 57 3/4 18 16 17 3/4
8 1/4 - 18.35 Q 1/2 -      
8 1/2 .732 18.53 - - 18 1/2 17  
8 3/4 - 18.69 - -      
9 .748 18.89 - - 19 18  
9 1/4 - 19.22 - -      
9 1/2 .764 19.41 - - 19 1/2 19  
9 3/4 - 19.62 - -      
10 .781 19.84 T 1/2 - 20 20  
10 1/4 - 20.02 U 62 3/4   21 22 3/4
10 1/2 .797 20.20 U 1/2 - 20 1/4 22  
10 3/4 - 20.44 - -      
11 .814 20.68 V 1/2 - 20 3/4 23  
11 1/4 - 20.85 - -      
11 1/2 - 21.08 - - 21 24  
11 3/4 - 21.24 - -      
12 .846 21.49 Y 67 1/2 21 1/4 25 27 1/2
12 1/4 - 21.69 Y 1/2 -      
12 1/2 .862 21.89 Z 68 3/4 21 3/4 26 28 3/4
12 3/4 - 22.10 Z 1/2 -      
13 .879 22.33 - - 22 27