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A rare 19th century 55-carat diamond, once part of the Russian Crown Jewels has gone on temporary view at New York’s American Museum of Natural History on Central Park West. The Diamond gets its name from the Kimberley mine in South Africa where it was found before 1868. It has also been described as a “cape diamond,” an Old World term meaning “deep color.”
The Kimberley Diamond went through a number of transformations during its 145-year history. It was cut from a 490-carat crystal into a 70-carat gem in 1921. The original diamond was fairly large, but there aren’t many descriptions of it, so its history isn’t well-known.
To improve its brilliance and proportions, the diamond was re-cut to its present form in 1958 by renowned New York City Fifth Avenue jewelers the Baumgold Bros. The rectangular diamond is about 1.25 inches in length and virtually flawless.
by renowned New York City Fifth Avenue jewelers the Baumgold Bros. – See more at: http://www.peleddiamonds.com/blog/dazzling-colored-diamond-on-display-in-nyc/#sthash.i7xYx6zL.dpuf
Large diamonds are extremely rare on Earth. The largest one ever found was The Cullinan Diamond which was 3,106 carats! It was cut into 9 major stones and 96 smaller stones, the largest of which was the “Star of Africa”, a whooping 530 carat diamond set in the septre of the British Crown Jewels. This diamond pales in comparison to the gargantuan discovery by astronomer Travis Metcalfe of the Harvard-Smithsonian Center for Astrophysics and his colleagues in 2004. They discovered a diamond star that is 10 billion trillion trillion carats!!! Just think how many engagement rings and diamond earrings could come out of that if we had access to it!
The cosmic diamond is a chunk of crystallized carbon and is 4,000 km across, and about 50 light-years away from Earth in the constellation Centaurus. It’s the compressed heart of an old star that was once bright like our own sun, but has since faded and shrunk. Astronomers have decided to call the star “Lucky” after the Beatles song, Lucy in the Sky with Diamonds.
According to scientists, if you wait long enough, our own sun could eventually turn into a similar large diamond star!
Argyle ‘Phoenix’ red diamond
DIAMONDS don’t just come in all shapes and sizes: they come in a rainbow of colors.
The world’s third largest miner behind Japan and the United States, Rio Tinto’s Argyle Pink Diamonds surprised the gem world when they announced about their entire collection of 64 red, pink, dark gray-blue, orangy-pink and purple-colored diamonds, including three certified natural fancy red diamonds found in Rio Tinto’s Argyle diamond mine in Western Australia.
The largest of three Argyle ‘Phoenix’ red diamond, is one of the world’s rarest gems weighted 1.56-carat and can pare several million dollars.
“Since mining began in 1983 only six diamonds certified as Fancy Red by the Gemological Institute of America have been presented for sale at the annual tender,” Argyle Pink Diamonds manager Josephine Johnson said.
“This is the largest red that has ever come from the Argyle diamond mine, To have three of these red diamonds on one tender is a very special moment in time.” said Josephine Johnson, manager of Argyle Pink Diamonds during a private viewing at a Sydney hotel May 17, 2013
These diamonds are included in 2013 Argyle Pink Diamonds Tender – the first time in the 30-year history of the exclusive sale that it has included three red stones.
Tender viewing of this year’s collection will be held in Perth and Hong Kong, with previews in Sydney, New York and Tokyo. Bidding for the diamonds opens in August and closes in October.
Chuck Hull in 1984 created first working 3D printer. It‘s a process of making a three-dimensional solid object of virtually any shape from a digital model using an additive process, where successive layers of material are laid down in different shapes. Imagine a machine that could disassemble old unwanted objects, and use the materials to print new objects — all in the comfort of your own home. Though the technology is 30 years old, it has now come into light due to falling price of the printer.
Recently people began to use 3D printers for creating anything they like, this includes iPad stands, guitars , board games, shoes and clothes, jewelry, even guns. You just need to design the product you want on computer and just print it in 3-D printer. You can refer below video on how 3D Printing works by Marina Mellinas.
It’s still rather niche, but 3D printers just got backing from one of the biggest vanity items around – jewelry.
Making jewelry with a 3D printer is important to the overall 3D printer ecosystem. The main benefit of manufacturing jewelry through 3D printing is that companies can make custom jewelry for clients for low cost.
Jewelry with minute and filigree designs require a workshop where liquefied metal are pored into molds and costs Dollars$$$, whereas the same piece of jewelry can be prepared with comparatively low cost using these printers. Although the resulting pieces often appear to be complex, the process of their creation did not need to be time-consuming.
The use of 3-D printing to make really precise, miniature pieces of items in jewelry, and availability of mass production, may also drive up interest for 3D printing among the average consumer thus leading to even faster adoption.
3D- Printing technology have also proved as boon for fashion lovers, it helps designers turn intangible ideas into tangible attire by giving them a means to create their dreams.
Not only fashion and Jewelry industry, 3D- Printing is spreading it’s roots in almost every field and the day is not far when it will become hard to imagine what else is 3-D printing good for !