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Cutting diamonds requires specialized knowledge, tools, equipment, and techniques because of its extreme difficulty. The first guild of diamond cutters and polishers (Diamantaire) was formed in 1375 in Nuremberg, Germany, [1] and led to the development of various types of "cut". This has two meanings in relation to diamonds.
These diamond saws and good jewelry lathes enabled the development of modern diamond cutting and diamond cuts, chief among them the round brilliant cut. In 1919, Marcel Tolkowsky analyzed this cut: his calculations took both brilliance (the amount of white light reflected) and fire into consideration, creating a delicate balance between the two ...
The groundwork for this blossoming industry was laid for Herschweiler-Pettersheim in 1908 by Christian Schultheiß, who came from the German centre for diamond processing in Hanau, and who had been recruited in 1887-1888 by Isidor Dreyfuß for the newly founded diamond-cutting workshop at the Neumühle ("New Mill") between Ohmbach and Brücken ...
The Wittelsbach-Graff Diamond is a 31.06-carat (6.212 g) deep-blue diamond with internally flawless clarity, originating in the Kollur Mine, India. Laurence Graff purchased the Wittelsbach Diamond in 2008 for £16.4 million. In 2010, Graff revealed he had had the diamond cut by three diamond cutters to remove flaws.
All together, the Western Palatinate had 108 diamond-cutting shops with 679 employees. In this same year, of course, came the onset of the Great Depression, and along with it came the beginning of the end for the diamond-cutting industry. Brücken was the economic hub of Palatine diamond crafting up until the Second World War. However, the ...
Pliers, screwdrivers, nut drivers, wire pulling and stripping tools, crimping tools, scissors, snips, shears, cable and bolt cutters, conduit benders, personal protective equipment, tool bags for the electrical trade
Lodewyk van Bercken (also known in French as Louis de Berquem) [1] was a mid- to late-15th century Flemish [2] jeweller and diamond cutter, renowned in the industry for inventing the scaif. The device revolutionized the diamond cutting industry and contributed to increased popularity of diamonds. [3]
The Asscher Diamond Factory former headquarters on the Tolstraat 127 in Amsterdam. The Royal Asscher Diamond Company (Dutch: Koninklijke Asscher Diamant Maatschappij) was founded in 1854 by the Asscher family of gemcutters. The company is responsible for cutting some of the most famous diamonds in the world including the 2nd largest diamond ...
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