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    The World's Most Lavish Proposal

    It comes complete with a 25-carat diamond with just a simple selection from the Neiman Marcus Christmas Book.

    The Neiman Marcus Christmas Book this year is offering someone the chance to buy a diamond engagement ring larger than that of Beyonce, Paris Hilton and Kim Kardashian

    The fantasy gift section is offering the world's most extravagant proposal experience with a 25-carat diamond ring complete with a custom design and a trip tracing the rock's origins on the African coast.

    Every extraordinary gem has a history, but rare is the opportunity to trace its provenance. As the owner of this 25-carat rough Forevermark® diamond, you'll travel deep into the heart of Africa to discover where your stone began its journey more than one billion years ago.This once-in-a-lifetime adventure starts with a trip to the De Beers headquarters in London. Once there, you'll receive your exceptional diamond in its rough and uncut form, name your diamond, learn about the unique inscription it will receive, and meet the master craftsman who will hand-cut and polish it to perfection. A private tour of The Crown Jewels and dinner with De Beers CEO Philippe Mellier and Forevermark CEO Stephen Lussier in the Tower of London follow. Your journey continues on a vessel off Namibia's coast, where your diamond was discovered deep within the ocean floor. You'll then explore rough-diamond sorting houses and a children's community project, where the local population benefits from Forevermark's responsible sourcing of diamonds.Upon returning to the United States, you'll meet with New York jewelry designer Maria Canale to design the ring that will exhibit your exceptional diamond.

    And it's all yours for $1,850,000!

    They don't call it the "Fantasy Gifts" section for nothing...