在考慮鑽石色澤時，同時也應將螢光反應考慮在內，螢光反應是指鑽石曝露於紫外線光線下時，所發生的反應顏色光。但是螢光反應甚少對鑽石的價值發生影響，除非是具有非常強烈螢光的鑽石會影響其透明度及光彩，而產生油濛狀的外表，如此將減損鑽石的美麗及價值，但是若其螢光不至使鑽石產生油濛狀外觀，則不應將其視為一種缺點。
In response to public issues that their diamond purchases have been contributing to war and human legal rights abuses in central and western Africa, the United Nations, the diamond sector and diamond-buying and selling nations launched the Kimberley Course of action in 2002.[142] The Kimberley System aims to make sure that conflict diamonds usually do not develop into intermixed Using the diamonds not controlled by this kind of rebel teams. This is certainly performed by requiring diamond-producing international locations to offer proof that the money they make from promoting the diamonds isn't used to fund criminal or revolutionary routines.
While Many of us ask for a skinny shank, a rather heavier shank will make sure a life span of convenience and use.
Bold sapphires and glowing diamonds make good good friends. It can be no shock sapphire sidestone rings are so popular.
A groom inserting a wedding ring about the finger of his bride during a wedding ceremony In numerous traditions, the very best person or maid of honor has the duty of retaining monitor of a couple's wedding rings and to supply them for the symbolic minute on the supplying and obtaining of your rings during the normal marriage ceremony.
Carat fat: A bigger carat fat could be extraordinary, but a smaller, well-cut diamond can appear just as beautiful, so don’t have a specific dimensions caught inside your head. It’s the overall look you’re likely for.
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The dispersion of white gentle into spectral colours is the main gemological characteristic of gem diamonds. In the twentieth century, gurus in gemology produced methods of grading diamonds as well as other gemstones based on the features most vital to their worth as being a gem. 4 attributes, acknowledged informally because the 4 Cs, are now commonly used as The essential descriptors of diamonds: these are generally its mass in carats (a carat currently being equal to 0.
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N. W. Ayer & Son, the marketing organization retained by De Beers during the mid-20th century, succeeded in reviving the American diamond market place and the company designed new marketplaces in nations where by no diamond custom had existed prior to. N. W. Ayer's marketing and advertising included merchandise placement, advertising and marketing centered on the diamond product or service alone rather than the De Beers brand, and associations with celebs and royalty. Without having promoting the De Beers brand name, De Beers was marketing its opponents' diamond solutions in addition,[116] but this wasn't a priority as De Beers dominated the diamond current market all over 銀座白石 the twentieth century. De Beers' sector share dipped quickly to next put in the worldwide current market down below Alrosa in the aftermath of the worldwide financial disaster of 2008, all the way down to fewer than 29% regarding carats mined, rather than marketed.
Various strategies for pinpointing synthetic diamonds may be executed, according to the approach to production and the colour on the diamond. CVD diamonds can generally be discovered by an orange fluorescence. D–J colored diamonds is often screened with the Swiss Gemmological Institute's[a hundred and sixty] Diamond Spotter.
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