Three Strand Natural Pearl Necklace

This three-strand natural pearl necklace, valued at $1.4 million, is the ninthplace in this list. The prestigious jewelry house Christie's auctioned this costly necklace with outstanding elegance at New York Magnificent Jewels. This strand pearl necklace fetched $1.4 million at an auction that was described as "a favorite showcase for the distinctive and beautiful.

The chain is made up of 180 all-natural pearls of various sizes. The pearls are all exactly matched and graduated, of course. The emerald cabochon accent and the gleaming diamond clasp make this piece very unique. This necklace is well worth the investment.

Price: $1.4 million