Basic Knowledge about Diamond Industry

WHERE THE DIAMONDS FOUNDS ???

Firstly, history of the diamond dates back more than  3,000 years to India, where it is likely that it were first valued for their ability to refract light. Earlier diamond was used in two ways-for decorative purposes & As a talisman to ward off evil or provide protection in battle.  ROUGH  DIAMONDS : The Diamond Trading Company (DTC) is  rough diamond distribution arm and the world’s largest supplier of rough diamonds, by value. It

CLARITY FROM FL TO I3

CLARITY FROM FL TO I3

 

 

 

 

 

 

 

 

s activities are focused on the sorting, valuing and sales of rough diamonds.The DTC is built upon its vision of maximising value for its producer partners and Sightholders. DTC philosophy’s  ”LIVING UP TO DIAMONDS” In 1930s  DTC was formulated and London has been the head office of DTC . DTC  hosts ten Sights each year at which Sightholders qualifying for aggregated rough diamonds. DTC   SIGHTS :-

  • DTC UNITED KINGDOM
  • DTC BOTSWANA
  • DTC SOUTH AFRICA
  • NAMIBIA DTC
  • CANADIAN SIGHTS

POLISH DIAMONDS : All diamonds are  unique and there are  variety of factors of diamonds which affect diamond price. Choose a diamond that satisfies your  standards for beauty and value. DIAMOND SHAPE :

ROUND SHAPE DIAMOND

ROUND SHAPE DIAMOND

RADIANT CUT DIAMOND

RADIANT CUT DIAMOND

ASSCHER CUT DIAMOND

ASSCHER CUT DIAMOND

CUSHION CUT DIAMOND

CUSHION CUT DIAMOND

EMERALD CUT DIAMOND

EMERALD CUT DIAMOND

HEART SHAPED DIAMOND

HEART SHAPED DIAMOND

MARQUISE DIAMOND

MARQUISE DIAMOND

OVAL DIAMOND

OVAL DIAMOND

PRINCESS CUT DIAMOND

PRINCESS CUT DIAMOND

PEAR SHAPED DIAMOND

PEAR SHAPED DIAMOND

DIAMONDS 4C (CARAT,CUT.CLARITY,COLOR) CARAT :- Every Diamonds are sold by the carat which is actually a unit of weight.Most of the person think of a Carat in terms of size. A CARAT is equal to exactly 0.2 grams. CUT :- It proportion refers to the relationship between the Shape,size and angle of each facet of a diamond.

DIAMOND REPORT

DIAMOND REPORT

     TABLE -58% DEPTH -60.4% CROWN ANGLE-33.0 PAVILLION ANGLE-41.2 GIRDLE – 3%

  CULET – NONE/VERY SMALL/SMALL

Differents type of Cuts-EXCELLENT

                                              VERY GOOD

                                              GOOD

                                              FAIR

                                              POOR

Diamonds cut depends upon depth and table and girdle.

GIRDLE is basic and main during manufacturing process.Diamond should be fully polished and all facets are properly ended with each other.

COLOR :

GIA -DIAMOND COLORS FROM D TO M

GIA -DIAMOND COLORS FROM D TO M

CLARITY

CLARITY FROM FL TO I3

CLARITY FROM FL TO I3

FL – FLAWLESS IF – INTERNALLY FLAWLESS VVS – VERY VERY SIDE INCLUSION VS  – VERY SMALL INCLUSION SI  – SMALL INCLUSION I1 TO I3 – VERY WEAK PURITY   TYPES OF INCLUSION : CRYSTAL PINPOINT CLOUD CAVITY CHIP BRUISE FEATHER NEEDLE TWINNING WISP NATURAL INTENDTED NATURAL EXTRA FACET