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Marcasite jewellery is jewellery made using cut and polished pieces of pyrite (fool's gold) as gemstone, and not, as the name suggests, from marcasite. [ 1] Both pyrite and marcasite are chemically iron sulfide, but differ in their crystal structures, giving them different physical properties. Pyrite is more stable and less brittle than marcasite.
The inventories of Mary's jewels mention the cut of stones, referring in French to facets, points, triangles, and lozenge cuts. A diamond quarre was table-cut. A cabochon is a rounded form. [26] [27] Mary had "ung saffiz taille a viij pampes", a sapphire cut in eight petals. [28]
Victorian jewellery. Victorian jewellery originated in England; it was produced during the Victoria era, when Queen Victoria reigned from 1837 to 1901. Queen Victoria was an influential figure who established the different trends in Victorian jewellery. [ 1] The amount of jewellery acquired throughout the era established a person's identity and ...
The quality of a diamond's cut is widely considered the most important of the four Cs in determining the beauty of a diamond; indeed, it is commonly acknowledged that a well-cut diamond can appear to be of greater carat weight, and have clarity and color appear to be of better grade than they actually are.
Conversely, the jewellery industry in the early 20th century launched a campaign to popularise wedding rings for men, which caught on, as well as engagement rings for men, which did not, going so far as to create a false history and claim that the practice had medieval roots. By the mid-1940s, 85% of weddings in the U.S. featured a double-ring ...
Diamond color is graded by comparing a sample stone to a master stone set of diamonds. Each master stone is known to exhibit the very least amount of body color that a diamond in that color grade may exhibit. A trained diamond grader compares a diamond of unknown grade against the series of master stones, assessing where in the range of color ...
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