The EverWith Self-fill Heart Shaped Cremation Ashes Pendant with Crystals comes in Rhodium-plated hallmarked 925 Sterling Silver. It can also be ordered in yellow, rose, or white 9k gold.
Access to the inner chamber is by removing a tiny screw at the back. A funnel is included to assist the filling.
The pendant comes as standard with a 40cm + 5cm chain with a secure lobster clasp.
Measurements 
Exterior hight 18mm
Exterior width 20mm
Exterior depth of 6mm
Allow 6 to 8 weeks processing time for Gold pieces