Which product holds the Guinness World Record for the highest price ever commanded in a retail store setting?

World records aren't just about human achievements—they're also about extraordinary retail milestones! This trivia question tests your knowledge about the most expensive single retail product ever sold in a traditional store setting (excluding auctions, real estate, or private sales). The retail world occasionally sees items with price tags that seem almost unbelievable. Can you identify which luxury product holds the official Guinness World Record for highest retail price?

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The Graff Pink Diamond Watch ($55 million)
L'Incomparable Diamond Necklace ($55 million)
History Supreme Yacht Model ($4.8 billion)
The Passion Collection Cobalt Blue Diamond Ring ($32 million)