The million dollar question! To get you started, if you don't know the lucky recipient's ring size, you can print off our Ring Measurer Thingy, find one of their rings at home and measure it against our template.
Sometimes it's just too hard to find out your partner's size without being caught. In these circumstances we recommend saving your free sizing until after you've proposed or the recipient has received their ring. Just send your ring back to us via secure post or book an appointment at our London showroom and we will measure your partner's finger, get it sized within three working days and return it to you. Incidentally, it's lovely for our team to meet the partner in person and congratulate the happy couple on their engagement.