Step 1
Place your phone on a flat surface. Stand up and look at your phone from a birds eye view.
Step 2
To ensure the screen size is adjusted correctly for accurate measurements, please place any bank or credit card on the card image displayed on this screen. Adjust the black outline by sliding the circle at the bottom of the screen to the left or right. Make sure the black line borders the card but remains visible.
Then click 'Next'.
Choose between the two options below.
Place your ring on the circle and line up the black outline to the inside of your band.
Use a string or thin piece of paper and wrap it round your finger. Mark the length or cut where both ends meet.
Then place it on the blue line & adjust the length accordingly.
You're leaving the ring sizer, what would you like to do next
Luster Blue Ring Sizer
To find your perfect ring size please visit ringsizer.lusterblue.com on your phone or scan the QR code below.
