Buying a wedding band or engagement ring online is both easy and economical. But more importantly, it means you can calmly compare the many shapes, colours and types of diamonds, without drawing attention from prying eyes. White gold or platinum? Round, oval or square? You have all the time in the world to turn the options over in your mind.

Whatever your girlfriend's taste, in BAUNAT's webshop you'll find the perfect ring in no time at all. But how can you make sure that it will also fit perfectly on her finger? 

Ring sizer from BAUNAT

If you want to be certain, the best thing to do is to order a plastic ring sizer from BAUNAT. This will immediately tell you your fiancées exact ring size. BAUNAT will post you a ring sizer for free, with absolutely no obligation to purchase. Click here to order a ring sizer!

Other ways of measuring a finger

This tool is perfect for wedding bands. But if you're trying to buy an engagement ring without your future fiancée knowing about it, then a ring sizer is not particularly discreet.

Luckily, there are other ways. You can use the European ring size as a guide; it's a common standard applied by jewellers and retailers. The system is childishly simple: size 17 simply means a diameter of 17 mm.

All you have to do is order a ring sizer from BAUNAT, or surreptitiously measure one of her existing rings which fits well. But beware of changes in temperature: heat makes a ring expand, and cold makes it shrink!

Are you having trouble getting a measurement for one reason or another? Then you'll have to take a gamble; or you could just follow the crowd. The average ring size of a woman's index finger is 16.5 to 17.4 mm. For men, it's around 20.5 mm.

Engagement rings: better too big than too small

Making a ring smaller is a standard task, but making it bigger is a whole lot more difficult. If you're at all unsure of the width of your fiancées finger, it's better to go for the larger size than the smaller one. And if you're still stuck, try asking one of her best friends for help.  She might be able to find out more easily and discreetly.

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