La Collection De Bijoux La Collection De BijouxExpensive Designer Luxury Diamond Dog Collars Amour Amour Dubbed “the Bugatti of dog collars” by Forbes Senior Editor Matt Miller, this 52-carat diamond dog collar is truly the “World’s Most Expensive.” Amour de la Mer The 8.5-carat sapphire is illuminated by over 600 hand-set diamonds. An ostrich leather band provides the flexibility and durability to last a lifetime. L’Étoile Is your dog a star? If he’s not already, this rugged yet elegant collar will surely make him one. La Chérie The sparkling 2.7-carat, heart-shaped diamond that is this collar’s centerpiece will leave no doubt in your dog’s mind that she’s your “chéri.” La Jeune Chérie For your puppy – or puppy at heart – this 15-carat diamond collar was inspired by the energy and sweet warmth of young dogs. La Jeune Tulipe La Jeune Tulipe is one of the world’s most exquisite and valuable dog collars.