This 18kt White Gold Medallion Shaped Pendant, Features A Tiny Hidden Mechanical Marvel That Magically Brings To Life The Heartbeat In A Sparkling Celebration Of Love. Much Like A Music Box Or Watch, Each Paul Forrest Pendant Is Wound And Brought To Life By The Key To Your Heart. The Dial On The Pendant Is Opal With Approximately 4.26 Carats Of Diamonds. The Chain Is 23 Inches In Length And Adjustable To 17 Inches With The Pendant Being 1 Inch Wide,