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。
Synthetic diamonds could be developed from significant-purity carbon below significant pressures and temperatures or from hydrocarbon gases by chemical vapor deposition (CVD). Organic and synthetic diamonds are most commonly distinguished employing optical strategies or thermal conductivity measurements. [citation desired]
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The shank is mostly felt, not found. Euro shanks usually healthy far better and may help top weighty rings transform considerably less.
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Unsustainable diamond mining in Sierra Leone. Documentary as Component of the Vrinda Challenge for Wikibooks In some of the more politically unstable central African and west African nations, revolutionary groups have taken Charge of diamond mines, employing proceeds from diamond product sales to finance their functions. Diamonds marketed by this method are generally known as conflict diamonds or blood diamonds.[131]