At 41 carats, The Dresden Green is the largest natural green diamond in the world. According to The Smithsonian, the diamond's history dates back to the early 18th century, when it was purchased by Friedrich Augustus I of Saxony. The diamond is now on view at the Dresden Castle in Germany.

Grace Kelly's 10.47-carat engagement ring marked the beginning of her transformation from Hollywood starlet to royalty. Princess Grace wore her ring everywhere, even in the film High Society, where she appeared alongside Bing Crosby and Frank Sinatra. Today, the ring is worth over $4 million.

After purchasing a 24.78 carat pink diamond in 2010, Laurence Graff set out to realize the stone's true potential. He had the diamond reshaped and removed 20 natural flaws, before renaming it The Graff Pink. The stone is now the most flawless pink diamond in the world, with vivid color, no internal flaws and 23.88 carats.

Perhaps one of the most well-known diamonds in the world, The Hope Diamond has a long, and supposedly cursed history. It was first owned by King Louis XIV of France in 1668, before it was stolen and later appeared in the English royal court. The 45.52-carat blue diamond now resides in the Smithsonian Institution in Washington, D.C.

Claims suggest that the Koh-I-Noor diamond started out at 793-carats, and has been passed throughout the world for over 5,000 years. After being whittled down throughout the years -- it is now 109 carats -- the diamond was presented to England's Queen Victoria, and has remained in the possession of the British royal family since. It now sits atop the coronation crown of Queen Elizabeth, The Queen Mother.

The Incomparable Diamond Necklace weighs in at 637 carats, and is considered to be the most expensive necklace in the world -- it even has a Guinness World Record -- as it is valued at $55 million. The deep yellow 407.48-carat diamond featured in the necklace is the largest internally flawless diamond ever graded by the Gemological Institute of America, according to Forbes.

The Marie-Louise Diadem was a wedding gift from Napoleon to his bride Empress Marie-Louise. The emeralds originally in the diadem were replaced with 79 Persian turquoise stones in the 1950s, so Van Cleef & Arpels could sell the emeralds in individual pieces of jewelry. The company later donated the diadem, complete with its original 1,006 old mine cut diamonds, to the Smithsonian.

The 18-carat sapphire surrounded by diamonds that now sits on Kate Middleton's finger actually started out as Princess Diana's engagement ring. And although it originally cost just $60,000, its significance in the royal family has made it one of the most beloved jewels in history.

Weighing in at 563 carats, the two-billion-year-old Star of India Sapphire is the largest gem-quality blue star sapphire in the world, according to the American Museum of Natural History.

The 110.3-carat pear shaped yellow diamond originated in South Africa and broke records for the most expensive yellow diamond ever sold when it brought in between $10.9 million and $12.4 million at a Sotheby's auction.

Elizabeth Taylor was known for her love of diamonds, and her extensive jewelry collection. But this 33-carat internally flawless white diamond gifted to the late-star by then-husband Richard Burton is the most famous of her stones, and perhaps her favorite. She wore it almost everyday.

The 128.54-carat yellow Tiffany Diamond is synonymous with Tiffany jewelry, and it has become a symbol of the company's enduring grandeur. In 2012, the stone was reset into a necklace accented by white diamonds in celebration of Tiffany's 175th anniversary. The necklace is now on permanent display in the brand's Fifth Avenue flagship store in New York City.

With 2,525 diamonds coming in at a total of 10.48 carats, the Tsarevna Swan Ring holds the Guinness World Record for the most diamonds ever used in a wearable ring. The stunning piece of jewelry is valued at $1.3 million, according to Business Insider.