Pink Diamond Rings For Sale

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Pink diamond is a type of diamond which has all the same elements as more commonly known diamonds except that they also exhibit pink color. The source of their pink color is greatly debated in the gemological world but it is most commonly attributed to enormous additional pressure that these diamonds undergo during their formation.Pink diamonds belong to a subcategory of diamonds called fancy color diamonds, the generic name for all diamonds that exhibit any sort of color. Pink diamonds range from flawless to included, just as white diamonds. Several pink diamonds with internally flawless clarity have been discovered, but only one is known to be completely flawless, the Pink Star (which was shortly renamed the Pink Dream until it diverted to Sotheby's).


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Origin of the Pink Color

Numerous theories have been posited as to how the pink is formed in pink diamonds. The prevailing theory is that the pink is caused when the diamond is subjected to enormous pressure during its formation. A similar theory is being tested on pink diamonds that originated in the Argyle Mine in Kimberley, Western Australia. This theory posits that a seismic shock propelled colorless diamonds to the surface and altered their molecular structure, causing them to appear pink.


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Properties determining value

The same four basic parameters that govern the grading of all gemstones are used to grade pink diamonds-the four Cs of Connoisseurship: Color, Clarity, Cut and Carat weight. Color is considered the absolute most important criterion in grading a pink diamond and determining its value. However, size is an important consideration in a pink diamond's value. The larger a pink diamond, and the better its color, the more valuable it will be. The most famous pink diamond is the now infamous Pink Star diamond, a 59.60 carat Fancy Vivid Pink Type IIa diamond which is the largest vivid pink diamond in the world and whose buyer at auction was unable to pay the promised sum and was subsequently forced to default. The Daria-i-Noor diamond and the Noor-ul-Ain diamond are the oldest known pink diamonds, and both belong to the Iranian crown jewels. Several other famous pink diamonds exist as well.

Color

As with the color in all fancy color diamonds, the color in pink diamonds is assessed according to its hue, saturation and tone. The hue refers to the primary and secondary colors, the saturation refers to the distribution of color, and the tone refers to the darkness of the color. Pink diamonds can occur in hues ranging from brown-pink to purple-pink, although pink can also be a modifying color in other diamond colors. Brown, orange and purple are the only occurring secondary hues in pink diamonds although a pink diamond can exhibit both brown and orange overtones at the same time, making it a "brownish orangey pink" diamond.The ideal pink diamonds are generally considered to be those which exhibit pure pink color although purple-pink diamonds are generally very highly regarded as well. Generally speaking, a vivid pink diamond will be more valuable than a larger lighter pink diamond, although it is not always the case according to the Diamond Investment & Intelligence Center. Pink diamonds can occur in eight intensities, faint pink, very light pink, light pink, fancy light pink, fancy pink, fancy intense pink, fancy vivid pink, fancy deep/dark pink. Just like in all fancy color diamonds, the more vivid intensity pink diamonds are far rarer than the less vivid, which is in part why they demand a higher price. The same cause in nature which is the course of the pink in pink diamonds can be more or less concentrated depending on the specimen. That is why it is so rare to find the most concentrated diamonds in each color. There is no perfect consensus as to what defines each color intensity grade, even though the GIA keeps a master catalog of each diamond color. Therefore, each color intensity also has a subscale of 1-10. Within the industry, a diamond trader may call a diamond "Fancy Vivid" or "Fancy Intense" but will often also call the diamond "a 7" or whichever number is most apropos to the diamond's appearance, which enables the most thorough representation of the diamond's color intensity.

Pink diamonds fall under the category of Type IIa diamonds, meaning that they form under remarkably high pressure for longer time periods, and tend to have an irregular shape. They have no visible absorption, no nitrogen impurities that may cause a yellow or brown tint. The Argyle Mine, the world's current main source for pink diamonds, has developed their own pink diamond color classification system separate from that of the GIA. Instead of intensity, the color is divided into a scale from 1-9, 9 being the lightest and 1 being the darkest. However, Argyle pink diamonds still receive GIA certificates.

Clarity

All diamonds are examined under a loupe to determine their clarity. This 10x magnification determines whether or not the diamond exhibits inclusions either on its surface or inside. Like all diamonds, pink diamond clarity is measured on a scale from Flawless to Included. Only 7% of pink diamonds are either Flawless or Internally Flawless (IF), and majority are Slightly Included (SI). Like most of the colors of fancy color diamonds, the clarity has little effect on a pink diamond's value. Since pink diamonds are formed by a deformation on their lattice structure, their probably of a low clarity grade is higher, making high clarity pink diamonds extremely rare (<7%).

Fluorescence

According to the GIA, more than 80% of pink diamonds display fluorescence. It is so rare for a pink diamond not to have fluorescence that in the case of pink diamonds, one that does not display fluorescence will actually be priced lower than one that does, out of suspicion that the diamond may be fake.


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Artificial Pink Diamonds

A pink diamond is only considered genuine, valuable, and investment-grade if it is pink from its inception. Natural colorless diamonds have been colored pink to various degrees of success, but it is more common to find synthetic diamonds/lab grown diamonds that are pink. A synthetic diamond is chemically the same as a mined diamond but its value is proportionally much lower. Therefore, a synthetic pink diamond does not have the value of a genuine pink diamond. Generally speaking, if a diamond is priced well beneath the market value, it is because the diamond is synthetic and the seller is hoping to make a sale. Trustworthy laboratories such as that of the GIA have equipment to determine whether or not a diamond is genuine or synthetic. Currently the only successful method to grow an artificial pink diamond is the chemical vapor deposition method (CVD). A gem quality CVD pink diamond undergoes a process where a colorless diamond has an imperfection introduced into the diamond's lattice structure.


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Pink diamond source mines

Pink diamonds have been found in Brazil, Russia, Siberia, South Africa, Tanzania and Canada. Pink diamonds were first discovered in India, in the Kollur mine in the Guntur district of Andhra Pradesh (which at the time was part of the Golconda kingdom), one of two of the earliest known diamonds are thought to have originated. Concurrently, and throughout the 17th and 18th centuries, pink diamonds were being discovered in the Minas Gerais region of Brazil. Pink diamonds are still occasionally found in the Golconda mine and in Brazil but to date, 80% of the world's pink diamonds now originate from the Argyle mine in Kimberley, Western Australia. Out of the mine's 20 million carat annual output, only 0.1% are classified as pink diamonds. After the diamonds are polished, the total carats of pink diamonds becomes smaller still. This makes pink diamonds not only rare but also difficult to obtain, as all interested buyers of pink diamonds around the world are consequently fixed on Argyle pink diamonds.


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Pink diamonds in popular culture

The earliest known pink diamonds are the Daria-i-noor and the Noor-ul-ain diamonds which are both part of the Iranian crown jewels.

In 1947, Princess Elizabeth, now Queen Elizabeth II, received a 23.6 carat pink diamond from Canadian geologist Dr. John Williamson, who had it set as a brooch designed as a jonquil by Cartier, and which remains one of her favorites.

Pink diamonds shone under a spotlight in 2002, when Ben Affleck proposed to Jennifer Lopez with a 6.1 carat pink diamond engagement ring. This catapulted pink diamonds into the popular mindset, triggering an immense surge in pink diamond prices that still exists today.

An enormous pink diamond was one of the central focuses in the 2006 film Blood Diamond starring Leonardo DiCaprio and Djimon Hounsou, while surrounded by the depictions of conflict diamonds mined and sold to fund civil wars and diamond companies.

The popularity of pink diamonds was crystallized in November 2013, when the 59.6 carat Pink Star diamond was bid on at auction in Geneva for $83 million by New York diamond cutter Isaac Wolf, then renamed the Pink Dream. Wolf ultimately defaulted, creating a scandal in the fancy color diamond world, forcing auctioneer Sotheby's to pay the owners the promised sum.

On 3 April 2017, Southeby's again auctioned the Pink Star, in Hong Kong, which sold to Chow Tai Fook Enterprises for a record 71.2 million USD (553 million Hong Kong dollars, including fees).

Prior to Southeby's Pink Star diamond sale, the record price paid for a pink diamond was held by the 16.08 carat Sweet Josephine Diamond, which had sold to Hong Kong billionaire Joseph Lau, in 2015, for $28.5 million. (One day later, he also purchased the 12.03 carat Blue Moon of Josephine Diamond for $48.5 million. Both diamonds were bought as gifts for his daughter, Josephine, born in 2008, as was the 7.03 carat Blue Moon diamond, which he renamed the Star of Josephine diamond, purchased in 2009 for $9.5 million.)


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Notable Pink Diamonds

Source of the article : Wikipedia



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