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Diamond Damage and Repair

Repairing and recutting a diamond does notsharp edges are worn down. Diamonds are known
happen often, but it does to diamonds thatas angry stones because when they rub
have been damaged or those that were not welltogether they injure each other, thus loose
made when originally cut. It is not too oftendiamonds should be kept apart. Worn diamonds
that a jeweler needs adequate knowledge incan of course be repolished, but doing this a
the repair or recutting of a diamond, butnumber of times will cut down on the weight
there are some losses due to the lack of aof  the  stone.
complete  understanding of the possibilities.
Another type of injury that happens to
The most common of all diamond injuries indiamonds is excessive heating, as in fire
the trade is the chipping of the edge, orexposure. If a diamond is heated to a high
girdle, of the brilliant during the operationenough temperature, it can unite with the
of the setting the stone. It is the popularoxygen from the air causing blemishes. The
opinion of the public that diamonds are toodamage to the stone can be substantial and
hard to suffer mechanical injury. Howeverfixing  it  will  result in a loss of weight.
this is not the case, the use of a careless
file can lift tiny flakes from the upperRecutting of diamonds is also worth a lot of
surface of the brilliant. While the diamondattention. Recutting is usually an option
is much harder than a file it is not aswhen
tough. Most often when a file is misused a
thin layer of diamond splits off. The splitAntiquity  of  the  existing  make
forms a perfect cleavage of the diamond,
which causes it to split easily in certainOver  thickness,  or  lumpiness  exists
directions. The rough cleavage will reflect
in every part of the stone. This type ofAn  overspread  condition  of  the  diamond
serious  injury  can  ruin  the  stone.
Diamonds in the old-fashioned square or
Whenever a stone owned by a jeweler orcushion shape, with overthick make and with a
customer is injured, it should be sent to alarge cutlet are known in the trade as
competent diamond cutter, who, unless he isold-mine stones. These old mine stones are
instructed to remake it to the idealbecoming a bit scarce, most of them have
proportions, regardless of loss of weight,already been cut to modern form. Often
will use his best judgment in repairing theold-mine stones end up in the hands of
injury so as to leave the stone in the bestpawnbrokers because most jewelers will not
salable  condition.give them the time of day. Often times the
old-mine stones are left too thick and are
When an injured stone is offered for sale,considered  lumpy.
and there is not an opportunity to have it
studied by an expert, the jeweler must lookNot every old mine stone has the remakings of
at the stone and decide how much the stonea fine gem. It pays for jewelers to study
will sell for repaired. When purchasing acutting and remaking of old gems. Having this
damaged stone jewelers will often give lowtype of knowledge will almost always help the
offers. The risk of buying a damaged stone isjeweler in detecting faulty make in modern
that, when the repaired stone is sold it willcut  stones.
not yield the type of return the jeweler
would  have  expected.In the case of overspread stones the central
weakness or fish eye effect can be corrected
Diamond injuries also occur in the hands of aby recutting to reduce the spread. Spread is
careless setter, or while being worn asa very desirable feature in a diamond, care
jewelry. When diamonds rub together, themust be used to not reduce it unnecessarily.



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