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。
The intense hardness of diamond in specified orientations can make it valuable in elements science, as In this particular pyramidal diamond embedded inside the Doing the job surface area of the Vickers hardness tester. Diamond is the hardest material about the qualitative Mohs scale. To conduct the quantitative Vickers hardness test, samples of elements are struck using a pyramid of standardized Proportions using a recognised pressure – a diamond crystal is used for the pyramid to allow a wide array of materials to get tested.
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The double-ring ceremony describes the exchange of wedding rings by and for both equally spouses. In several European nations like the Nordic countries, it really is widespread to Trade simple engagement rings of a similar kind for both equally sexes, and usually, a further, more cherished, and bejeweled wedding ring is provided for the bride. While in the nuptials, the groom's ring gets a wedding ring also, and might be bestowed anew through the bride being a Component of the wedding ceremony. The engagement is usually a issue of arrangement among the two, and the wedding rings are selected together. Both equally engagement and wedding rings are worn within the left hand in Sweden and Finland, the bride acquiring both equally rings collectively. Occasionally, the groom gets a independent wedding ring. In Germany and Austria, both functions use engagement rings worn on the remaining hand.[6] Within the nuptials, a wedding ring is placed on the proper hand, as in quite a few east European nations, like Bulgaria, Poland, and Russia.
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The 4Cs are classified as the 4 primary excellent variables that identify the value of a diamond: shade, Slice, clarity and carat. The sparkle of the diamond comes from its Minimize and symmetry, when the carat sizing establishes how big it's going to glance over the wearer's finger.
現代科技之下，有些鑽石的內含物是可以修補的。不過修補過的鑽石的價值會稍低。
Diamonds also possess an incredibly substantial refractive index and quite higher dispersion. Taken jointly, these elements influence the overall overall look of a sophisticated diamond and many diamantaires still depend upon skilled utilization of a loupe (magnifying glass) to establish diamonds "by eye".[33]
[12] In contrast to most other Orthodox Church buildings, the Japanese Orthodox Christian Church of Greece has not too long ago stopped carrying out betrothal blessings separately, and now a betrothal ceremony is definitely the First A part of the wedding company. In Greece, the ceremony of betrothal can be performed straight away prior to the wedding (or "crowning" mainly because it is much more thoroughly named), and the particular symbolic act of relationship is not the Trade of rings, however the crowning.
This may be a whole new ring to the bride or both, or reusing the engagement rings. Any engagement rings can then keep on being to the left hand or be transferred to the ideal hand. In Germany, it has been customary for both of those the bride along with the groom to put on a wedding ring because no less than the 1870s[7] and mentions of partners exchanging rings during the wedding ceremony while in the Netherlands can be found no less than as far back as 1815.[eight] In equally The us and copyright, wedding rings were being originally only worn by wives, but became customary for both equally spouses during the 20th century.[nine] In Brazil, Mexico, and Spain each 求婚鑽戒 sexes also have on engagement rings, as well as the groom's ring frequently will become a wedding ring during the nuptial exchange ceremony. In The Netherlands basic bands can be worn on both hand, left for Catholics and appropriate for Protestants. When engaged, both bride and groom have on what will be the wedding band on the alternative hand and change arms after the wedding.