Earning passive income doesn't need to be difficult. You can start this week. The Graff Pink, a 24.78-carat fancy intense pink diamond, was purchased for $46.2 million by renowned jeweler Laurence ...

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Christie’s Hong Kong sold a 14.23-carat, fancy intense pink diamond to an anonymous buyer for just over $23 million in 2012. The pink diamond expenses don’t stop there though, as Christie’s ...

Also, check out the most expensive pieces of jewelry. The Graff Pink, a 24.78-carat fancy intense pink diamond, was purchased for $46.2 million by renowned jeweler Laurence Graff in 2010. Previously ...