MARLA AARON Biker Chain 14 and 18-karat gold diamond necklace

For Marla Aaron, it all started with a bike lock - now a signature motif, she's elevated the style in the most exquisite finishes. This necklace has been handcrafted in New York from 14 and 18-karat gold and has a hefty chain centered with a diamond-encrusted 'Regular Lock" - switch it out for others in the label's collection.