(IDEX Online) - A British jeweler has created a 15-carat diamond necklace for a dog, with a price tag of almost $600,000.Nathalie Knauf, who runs Knauf Jewels in Soho, London, says it was designed for a client, to complement her necklace and earrings.The silver dog necklace has a total of 91 D-color diamonds, with a total weight of 15 carats, and a para?? -ba tourmaline pear-shaped pendant."It is definitely the most expensive dog item I have ever made. Even I don't own jewellery that expensive myself," she told The Mirror newspaper.Knauf owns 11 Pomeranians and runs Soho Poms, a luxury dog shampoo and accessory brand, in addition to her jewelry business.Pic shows Nathalie Knauf with her white Pomeranian, Misty, and the diamond necklace.