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美国论文代写宾夕法尼亚大学：钻石的价值

美国论文代写宾夕法尼亚大学：The value of diamonds

Diamond was discovered in India and South America in the 1880s. Diamond and carbon are very similar material, but diamond is more valuable because it is created when carbon is subjected to extremely high pressures and temperatures found in the earth’s lithosphere, which lies approximately 90-240 miles below the earth’s surface. Therefore, diamonds are strong and brilliance; and will have a different presentation when they have been differently cut. In 1939, De Beers evaluated a first diamond grading system named “4Cs”, this system evaluates the value of the diamond. Nowadays, all jewelry brands still use this system to evaluate the diamonds.

美国论文代写宾夕法尼亚大学：钻石的价值

第一个订婚戒指出现在1215年罗马，但他们曾经使用扭铜或辫头发，最初使之成为一个订婚戒指。直到哈布斯堡 - 洛林王朝，奥地利的大公马克西米利安在1477年向勃艮第的玛丽提出求婚，第一个使用钻石订婚戒指。但那个时候，钻石还不流行，所以钻石订婚通常只是皇室和上层精英阶层。 

美国论文代写宾夕法尼亚大学：The value of diamonds

The first engagement ring appeared in Roman in 1215, but they had used twisted copper or braided hair to make it an engagement ring at first. Until the Habsburg-Lorraine dynasty, Archduke Maximilian of Austria proposed marriage to Mary of Burgundy in 1477, the first engagement ring with diamond was used. But at that time, diamond was still not popular, so the diamond engagements were usually just for the royalty and the upper elite class.

美国论文代写宾夕法尼亚大学：钻石的价值

钻石象征爱，永恒和浪漫，并且存在了一个多世纪。戴比尔斯是着名珠宝奢侈品牌; 这家公司出售很多不同种类的钻石戒指。在过去的100年中，戴比尔斯垄断了全球钻石的开采和销售。该公司的口号是“钻石永远是永恒的”。 这个口号让珠宝市场超过78％的钻石销售订婚戒指。 除了戴比尔斯，蒂芙尼公司也是顶级钻石公司。蒂芙尼公司只是一个简单的珠宝店，它已经把自己融入流行文化，成为一个全球性的现象。

美国论文代写宾夕法尼亚大学：The value of diamonds

Diamonds have symbols and have existed for over a century, which are love, forever and romance. De Beers is a famous jewelry luxury brand; this company sells a lot of different kind of diamond rings. In the past 100 years, De Beers monopolized mining and selling of diamonds all over the world. The company has a slogan which states “A diamond is forever”. This slogan made the jewelry market experience more than 78% of engagement rings sold made of diamond. Apart from De Beers, Tiffany & Co. is also a top diamond company. Tiffany & Co. was just a simple jewelry store and it has woven itself into pop culture to become a global phenomenon.

美国论文代写宾夕法尼亚大学：钻石的价值

在流行文化中，很多东西都与钻石相联系。其中一些包括使用钻石创造更加浪漫的故事情节的电影，并揭示了女性对钻石的喜爱程度。除此之外，一些艺术家写了关于钻石的歌曲，例如Rihanna的“钻石”。 即使现在，在女性钻石广告产品中，也有很多电影和广告将这首歌曲作为背景音乐。

美国论文代写宾夕法尼亚大学：The value of diamonds

In the popular culture, lots of things are linked to diamonds; some of these include movies which use diamond to create a story line more romantic and reveal how much women love diamonds. Apart from this, some artists have written songs about diamonds for example “Diamonds” by Rihanna. Even at the moment, there are a lot of movies and advertisements that are using this song as their background music in advertising products of diamonds for women.

美国论文代写宾夕法尼亚大学：钻石的价值

世界上有许多着名的钻石，如“百年钻石”，“光之山”和“奥尔洛夫”，但最具代表性的钻石是“希望钻石”。“希望钻石”是由一名法国商人旅行者命名的。“希望钻石”是有名的，但也有一个非常悠久和突出的历史，每个拥有它的老板都经历了厄运。根据钻石的传说，当某人从印度的偶像中偷走或拥有蓝钻石时，它被诅咒，并预测业主或任何会碰触钻石的人都会遇到不幸或死亡。

美国论文代写宾夕法尼亚大学：The value of diamonds

There are a lot of famous diamonds in the world, such as “The Centenary Diamond”, “Mountain of Light” and “The Orloff”, but the most iconic diamond is “The Hope Diamond”. “The Hope Diamond” was named by a French merchant traveler. “The Hope Diamond” is famous but also has a very long and prominent history, as every owner who had it experienced bad luck. According to the legend of the diamond, when someone stole or owned the blue diamond from an idol in India, it was cursed and predicted a bad luck or death for the owner or anyone who will touch the diamond.