They have a 16mm diameter and are threaded with a petite 3D clam shell charm

This adorable

Emilys and Emilias

with hints of blue and gold throughout

Or just use it to stash your pirate loot

9ct white gold diamond heart locket Fierce Collection They have a 16mm diameterMade from 9ct white gold, this locket is heart shaped and can be personalised on the front with up to 3 characters, such as initials, for a truly personal touch. The top left hand corner of the locket has a small heart shape design containing a diamond. A special Valentine's Day gift for the one you love, the locket measures 1. 5cm x 1. 1cm (including bail attachment) and is available to purchase either by itself or hung from a chain of 16, 18 or 20