A standard misunderstanding is that diamonds variety from hugely compressed coal. Coal is shaped from buried prehistoric plants, and many diamonds which have been dated are considerably older than the first land vegetation.
In response to community considerations that their diamond purchases were contributing to war and human legal rights abuses in central and western Africa, the United Nations, the diamond field and diamond-investing nations launched the Kimberley Method in 2002.[142] The Kimberley Method aims to make certain that conflict diamonds usually do not turn out to be intermixed with the diamonds not managed by this kind of rebel groups. This really is finished by requiring diamond-generating international locations to provide proof that The cash they make from selling the diamonds isn't used to fund criminal or innovative routines.
Price For The Money: With regards to the size and top quality of your diamond, vintage rings can Price tag a lot less than recently crafted types with similar gemstones and elements. Numerous classic rings also function exceptional and intricate styles that established them other than their modern counterparts, and convey a sense of heritage and psychological benefit.
天然鑽石和人造鑽石有什麼分別？ 天然鑽石和人造鑽石有什麼分別？ 何謂天然鑽石？
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Diagram of a volcanic pipe Geological evidence supports a product 求婚鑽戒 through which kimberlite magma rises at 4–twenty meters per next, making an upward route by hydraulic fracturing in the rock. As the force decreases, a vapor phase exsolves with the magma, and this really helps to preserve the magma fluid.
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Numerous procedures for figuring out artificial diamonds can be carried out, with regards to the method of creation and the colour in the diamond. CVD diamonds can commonly be identified by an orange fluorescence. D–J coloured diamonds is usually screened with the Swiss Gemmological Institute's[one hundred sixty] Diamond Spotter.
一般的方法是把鑽石按偏黃的程度分為不同的等級，把樣品與已知色級的比色石對比確定，以D級最高，Z最低。
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選擇對戒時，除了預算需要考量，日常適配程度、設計風格是否與本身性格合襯、以及其對戒本身的質感都是需要評估的面向。