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Diamond Cutting

Diamonds are Forever...
We focus on facts to ensure you have the information to make the right choices when buying diamonds. Sit back and watch our videos or read our articles to get the whole story. Our impartial advice will help you make the right decision, because Diamonds are Forever...

The History of Diamond Cutting
Prior to the Medieval era the Diamond was worn rough, or cut and polished only on its upper surface. It was in this form that it was used to ornament temples, goblets, reliquaries, and crowns. The history of cutting Diamonds can be dated back to the beginning of the fifteenth century in Paris. The earliest records of the art of cutting diamonds originate in Paris and reference is made to a diamond-cutter named Herman, in 1407. The diamond cutters of Paris were quite numerous in that year, and lived in a special district known as "la Courarie, where reside the workers in diamonds and other stones." In 1434 Guttenberg learnt gem cutting and polishing from Andreas Drytzehen of Strasbourg. However, the art of diamond cutting has been credited to a Flemish polisher called Lodewyk (Louis) van Berquem of Brugge, Belgium who in 1458 created the first cut diamonds when  he discovered that diamonds could be cut by their own dust.

Louis van Berquem invented a diamond polishing wheel called a scaif which enabled him to cut the facets of a diamond. He also introduced the concept of using absolute symmetry in the placement of facets on the stone. From this point diamonds were used as ornaments in jewelry and the process and different techniques for diamond cutting were gradually developed. For more information about the History of Diamonds and their various cuts please click the following link:

History of Diamonds

Diamonds are Forever...
An Impartial Guide to Diamonds

Lapidary the Art of Diamond Cutting - Cutting, Bruiting, Setting & Polishing
Diamonds are prized for their lustre, transparency, refraction and dispersion of light. These may be, to some extent, visible even in their rough state; but in order to enhance these advantages the diamonds must be subjected to cleaving, bruiting, cutting, and polishing. Lapidary is the name given to the art of cutting, shaping, polishing and creating jewelry from stones. A skilful lapidary could bring out all the brilliance of a diamond whilst concealing its imperfections by choosing the most appropriate diamond cutting technique and best shape. The skill of diamond cutting is complicated work consisting of cutting, polishing, setting and cleaving. The terminology used in the old skill of diamond cutting is as follows:

  • Lapidary - The art of cutting, shaping, polishing and creating jewelry from stones.
  • The term was also used to describe an expert in cutting and polishing Diamonds
  • Cutting - Every stone is examined minutely for flaws and imperfections, enabling the cutter to decide in which way the diamond will give the best possible results. Rough diamonds are then cut into a two-point, four-point, wass, drop briolette, rondelle, or table stone
  • Bruiting - The term for shaping the girdle of diamonds
  • Setting - A suitable setting for the diamond is selected and the mechanism used to hold the stones in place, such as the bezel, pave, channel and prong settings is chosen
  • Polishing - Diamonds are polished according to the precise run of the grain and the way in which it will polish to the best advantage.
  • Facet - Every facet of a diamond has a name, and every name denotes the grain, and how to polish that particular facet
  • Diamond Symmetry - Symmetry is a term that refers to the alignment of a diamond's facets, its flat and polished surfaces.
  • The facets are cut to achieve the best play of light.
  • Cleaving - Taking a piece off a Diamond where it is too long, or making it into small stones where it is badly flawed, thus taking away the impurities and defects

For facts and information about the different types of Diamond Cuts please click the following link:

Diamond Cuts

Diamond Powder
The diamond is the hardest of all known bodies scoring a level of 10 (harder than steel) on the Mohs Hardness Scale. Diamonds can only be manipulated by means of powdered diamond. This powder is prepared generally from bort, or faulty diamonds, and from the refuse in cleaving and cutting, which, being put into a mortar of hardened steel, is pounded until it is fine enough for use.

Diamond Cutting

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