FROM ROUGH DIAMOND TO CUT NATURAL DIAMOND

The Lapidaire: 

The word « lapidaire » which comes from the Latin word Lapis, is utilized in French for both the method and the exchange of cutting and molding stones, valuable or non-valuable to make gems or workmanship. The « lapidaire » isn't associated with the real cutting of diamonds, this work is just executed by the « diamantaire », the thickness of diamonds requires a particular cutting technique. 

In the two cases, the « lapidaire » and the « diamantaire » must transform an unpleasant stone into the most delightful stone, which means the greatest and most flawless stone, with the most significant and uniform tone, and keep the measure of stone that is lost in the process to a base. The lapidaire is additionally a trador and vendor and frequently gemmologist ( gemmology is the science that reviews valuable, semi-valuable, and brightening stones). In this calling it is important to have incredible information on the material that is exchanged request to be effective. 

There are various methods for cutting hued stones, contingent upon the idea of the stones a the outcome the shaper needs to get. By and large : 

– First, the stones are cut with the utilization of a little roundabout saw. 

– Secondly, they are decreased to a fundamental shape with little pounding stones that comprise plates set with diamonds. 

After this, little breaks and imperfections are taken of with an exceptionally fine clean. Facetting the stone is the most intricate advance all the while and requires a great deal of involvement: the stone is cleaned with the assistance of a gadget that comprises of a turning or vibrating circle. 

The last cleaning (turning shine or with the assistance of vibrations) is done arranged by taking off the sharp edges and to give the stone a final detail utilizing diamond powder. 

The Diamantaire 

The initial step of slicing a diamond is to look at the stone with extraordinary consideration. During this assessment, the diamantaire draws an arrangement for parting the diamond and chooses the heading of the cut dependent on the crystallization pivot. Lines are drawn on the stone with ink to fill in as rules for the accompanying advances. The stone is then fixed in a wooden help which is likewise made sure about solidly in a bad habit. 

The diamantaire must pick the best cut for the unpleasant diamond, in view of the weight, lucidity, and shading. Some of the time this is a troublesome choice, in light of the fact that a diamond that is reviewed as magnificent or cut can turn out to be more significant than a diamond of more weight however less nature of the cut. 

During the cutting cycle, a diamond loses 50-60% of it's the underlying weight. 

To make a wonderful diamond, a specific number of steps must be taken. 

– Observation : 

The initial step of slicing a diamond is to analyze the stone with extraordinary consideration. During this assessment, the diamantaire draws an arrangement for parting the diamond and settles on the course of the cut dependent on the crystallisation pivot. Lines are drawn on the stone with ink to fill in as rules for the accompanying advances. The stone is then fixed in a wooden help which is additionally made sure about solidly in a bad habit. 

The parting or sawing : 

Nothing is more enthusiastically than a diamond. That is the reason it can break to pieces ! It's gems really contain parting lines along which the substance mixes are less solid than in different ways. With an all around coordinated hit the stone can be part thusly. Parting lines are constantly situated corresponding to a gem plane. The rough diamonds for sale parts corresponding to four chief sides of the octahedron. 

The diamond is part along the picked line, by pounding in an exceptionally meager steel sharp edge with a short hit. The stone devides itself in two, leaving to totally level surfaces, equivalent to a cleaned facette. Crafted by the splitter is one of the most troublesome, in light of the fact that it brings a ton of responsability. 

These days diamonds are more regularly sawn than split. The saw that is utilized comprises of a metal plate of which the edge is covered with diamond powder and oil. 

These days there are sure frameworks that utilization roundabout saws or laser: 

The laser can make certain slices that are difficult to perform with a saw. On the opposite side, the cuts are less perfect in light of the fact that the strategy leaves little stamps on a superficial level. Sawing is less fragile than parting since it gives a smidgen more space in taking care of the stone. One can indeed alter a couple of degrees in the course to wipe out an enclosure or improve the state of the stone. The stone must be stamped already to decide the cutting arrangement. At that point, the stone is solidly made sure about to guarantee a fixed position while sawing. The sawing must bring about getting the greatest conceivable table and most grounded conceivable culasse. 

– Undoing the stone of unpleasantness: 

It assists in adjusting the diamond prior to forming the features. The stone is fairly set up in size and it's shape is generally dictated by the machine. The stone is fixed to a gadget that turns around 1700 rpm and which compels it against two diamond tips. The last type of stone is shaped. 

– The facetting and cleaning : 

This is a basic advance that decides the balance, extent, and level of completing (or clean). This to a great extent decides the estimation of the diamond. 

The diamonds are frequently cut and molded-in 57/58 features. These are made on a level flat circle, covered with a combination of diamond powder and oil. The stone, held by pliers, is constrained against the outside of the plate sufficiently long to frame the feature. The cut must be executed with outrageous routineness in a pre-determined point. Today a portion of the cutting is done in a robotized cycle. there are some Cushion cut black diamonds as made.

Following the preset information in the machine, the pliers go naturally to the correct point to make the following feature. The PC offers the chance to intently watch and envision the means from an unpleasant diamond to a cut stone. To do this, it needs to get all the data concerning the harsh stone to make the ideal eventual outcome one wishes to acquire.

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