A Simple Key For engagement ring Unveiled
Geologic provinces of the entire world. The pink and orange areas are shields and platforms, which jointly constitute cratons. Diamonds are far from evenly distributed around the Earth. A general guideline called Clifford's rule states that they're almost always present in kimberlites on the oldest Element of cratons, the stable cores of continents with regular ages of 2.five billion yrs or maybe more.[sixty eight][73]: 314 Even so, you'll find exceptions. The Argyle diamond mine in Australia, the most important producer of diamonds by weight on the earth, is located inside of a cellular belt, also referred to as an orogenic belt,[seventy four] a weaker zone surrounding the central craton which has been through compressional tectonics.Some Girls like to buy their unique engagement rings or to operate with their associate on picking out rings collectively. Finally, it's as many as both you and your associate to determine which engagement ring getting solution is finest.
象徵著兩人婚姻關係的對戒,通常戴於無名指上,一個距離心臟最靠近的位置。這是由於古埃及人相信,左手無名指的血液直通心臟,因此左手無名指是最靠近心臟的地方,有「我心已許」的意思,而這就是為什麼結婚對戒戴在無名指上的原因。
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If you have a larger or tiny sizing than revealed, no worries, just list your size within the venture notes.
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切割完的鑽石,往往只有原石的一半重量。為了在鑽石保留最多的重量,或者要避開原石上的雜質,有些鑽石切割時會犧牲完美的切割比例。
Fantastic specifics like actual filigree will be the difference between an heirloom and an ordinary piece of jewelry.
Lower: The Slice impacts the diamond's brilliance and sparkle. Prioritize this around the other Cs for maximum Visible charm.
Less than significant pressure and 對戒 temperature, carbon-made up of fluids dissolved different minerals and replaced them with diamonds. Way more a short while ago (hundreds to tens of million many years ago), they ended up carried to your floor in volcanic eruptions and deposited in igneous rocks referred to as kimberlites and lamproites.
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鑽石產區圖 傳統釐定鑽石價值高低的標準是「4C」制度,即克拉、色澤、淨度、和切割。