Portuguese diamond

April 1, 2010 Posted by

There’s something so exciting about these incredibly large and perfect stones. Sometimes they have well-documented histories and we know where they came from and who owned them and when. But others have a past that’s not as well-known, and that only adds to the romance and mystique surrounding them.

One such diamond is called the Portuguese Diamond and is a 127-carat, cushion-cut diamond, shaped in an octagonal emerald shape. It’s nearly flawless. While it’s called the Portuguese Diamond, with a story that it was mined in Brazil and became part of the Portuguese Crown Jewels, there’s really no true documentation that says definitively that that’s where the diamond was mined. Must of the diamond’s history is pure legend and conjecture. One can only imagine who wore this incredible stone!

One part of the diamond’s history that is well-documented is that in February 1928 Peggy Hopkins Joyce traded a $350,000 pearl necklace for the diamond and $23,000 in cash. According to New York newspaper accounts, it was mounted on a diamond-studded platinum choker to be worn close around the throat (probably the same necklace described above). Miss Joyce performed in the Ziegfeld Follies, and had six husbands, at least five of whom were wealthy. She was said to be almost as fond of jewels as of men. Sometime prior to 1946 Miss Joyce placed the diamond on consignment to the group of jewelers mentioned above, in an unsuccessful attempt to sell it.

Harry Winston acquired the Portuguese Diamond from Miss Joyce in 1951, and for the next several years it traveled the country as part of his “Court of Jewels” exhibition. In 1957, Winston sold the diamond to an international industrialist, who then traded it back in 1962. In 1963, the Smithsonian acquired the Portuguese Diamond from Mr. Winston in exchange for 2,400 carats of small diamonds.

Blue Heart Diamond

March 30, 2010 Posted by

There is a spectacular diamond in the Smithsonian Collection called the Blue Heart Diamond. Fans of the movie Titanic might think the “Heart of the Ocean Diamond” was based on this stone, and it may have been! However, this diamond hasn’t been cast in the ocean, but is safe and sound at the Smithsonian!

It has also been called the Eugenie Blue Diamond, although it’s uncertain that the Empress Eugenie ever owned this particular stone. It was cut in Paris between 1909 and 1910, but the stone’s origin – Africa or India – is unclear.

It is an enormous heart-shaped, blue diamond weighing 30.82 carats. Its current setting is in a platinum ring, surrounded by white diamonds. It changed hands among famous jewelers – such as Cartier and Van Cleef & Arpels – and owners until it was bought by Harry Winston in 1959 who mounted the diamond in its current ring setting. Winston sold the ring to Marjorie Merriweather Post. Mrs. Post donated the ring to the Smithsonian and it remains there with other famous blue diamonds, including the Hope Diamond and the Heart of Eternity Diamond.

These famous blue diamonds have recently gone through a grading and examination process, to classify their colors and to determine the source of the color. The Hope Diamond is classified as Fancy Deep Grayish-Blue. The Heart of Eternity has been classified as a Fancy Vivid Blue. The Blue Heart Diamond has not yet been classified, but some experts categorize it as either Fancy Vivid Blue or Fancy Deep Blue. Blue diamonds are of particular interest to scientists not only because of the color and the impurities that create it, but because blue diamonds also have an electric conductive property that makes them unique among clear and other colored diamonds.

Marie Louis Diadem

March 25, 2010 Posted by

There were a few benefits to marrying the Emperor Napoleon, if you loved jewelry, that is! The Marie-Louise diadem, now part of the Smithsonian Collection, was a wedding gift from Napoleon I to his second wife, Empress Marie-Louise in 1810. The diadem was originally part of a set that also included a necklace, comb, belt buckle, and earrings, all made of emeralds and diamonds set in silver and gold. They were all made by French Jeweler Etienne Nitot et Fils of Paris.

In the original diadem, there were 22 large and 57 small emeralds, along with 1002 brilliant-cut and 66 rose-cut diamonds. The central emerald weighed 12 carats. After the fall of the Emperor, Marie-Louise fled to Vienna and took her personal jewelry with her, including the diadem and other pieces that were made as part of a set, including a necklace, a pair of earrings and a comb.

Empress Marie-Louise left the diadem to her Hapsburg aunt, Archduchess Elise. Archduke Karl Stefan Hapsburg of Sweden, a descendent of the Archduchess sold the set to Van Cleef & Arpels in 1953. Between May 1954 and June 1956, the emeralds were removed and sold individually in pieces of jewelry as emeralds “from the historic Napoleon Tiara.”

Between 1956 and 1962, Van Cleef & Arpels mounted turquoise cabochons into the diadem. In 1962, the diadem was displayed in the Louvre in Paris with the necklace, earrings, and comb in an exhibit about Empress Marie-Louise. In 1971, Marjorie Merriweather Post, heiress to the Post cereal fortune, purchased the diadem for the Smithsonian Institution. There are 1,006 mine-cut diamonds weighing a total of 700 carats and 79 Persian turquoise stones weighing a total of 540 carats. In one respect, it’s a shame that the original piece was dismantled to sell off the emeralds. Yet the diadem, reset with the turquoise cabochons is equally beautiful and made even more distinctive with the use of the less valuable turquoise.

Marie Antoinette Earrings

March 21, 2010 Posted by

There’s no more fascinating subject in history than the doomed French Queen Marie Antoinette. Much maligned by history (she never said “Let them eat cake,” in response to the people’s need for bread), she was an unwilling part of the one of the greatest revolutions in history. And met an untimely end at the guillotine in 1793. While she loved jewelry, and possessed many magnificent jewels, she often preferred simple muslin gowns and very little jewelry. Many of the portraits of her by Elisabeth Vigee-Lebrun show her dressed just like that.

Two large, pear-shaped diamond earrings, weighing 14.25 and 20.34 carats respectively, are part of the Smithsonian Institution’s collection. The diamonds once were supposedly set in earrings that belonged to Marie Antoinette and some sources say they were her favorite pieces of jewelry and she wore them constantly. They were taken from her during an attempt to flee France as the Revolution dawned and the position of the Royals became dangerous.

The diamonds were later acquired by the Grand Duchess Tatiana Yousupoff of Russia. When jeweler Pierre Cartier puchased the diamond earrings in 1928, their authenticity was attested to in an affidavit by Russian Princess Zenaide Yousupoff and her son, Prince Felix Yousupoff, stating that they originally belonged to Queen Marie-Antoinette and have never been reset in the one hundred years that they were in the family. Marjorie Merriweather Post acquired the earrings from Pierre Cartier in October 1928. Harry Winston reset the large diamonds in platinum replicas of the original silver settings in 1959. Cartier, Inc. designed the triangular tops. In November 1964, Mrs. Post’s daughter, Mrs. Eleanor Barzin, donated the earrings, along with the original setting to the Smithsonian Institution. The diamonds are originally from India or Brazil, the only significant sources of diamonds in the eighteenth century.

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