This Guide gives you insight to Diamonds and Jewellery.

A Diamond is a symbol of love, prosperity and solidarity. It is composed of pure carbon, considered as one of the rarest of all gems and hardest of all substance which makes it very expensive. It is believed that predominantly diamonds are stud in jewellery, but its use for industrial, healing and medication purpose is no less.


To promote awareness and expand market for diamonds various companies have resorted to ad campaigns like DeBeers – “A diamonds is forever”, Nakshatra – “Heera hai sada ke liye” and diamonds are often referred to as “Girl’s best friend”


Diamonds come in various colours like white , Brown , yellow , pink , green , blue ,etc. To understand diamond one must know about its Facts, Anatomy, Shapes and the 4C’s



  • Diamonds are the purest form of carbon.
  • Only 30% of the total diamonds produced are of gem quality and eligible to be set in Jewellery
  • About 65% of world’s rough diamonds are produced in Africa while 65% of world’s polished diamonds are traded by India in terms of value
  • Although diamonds are the hardest substance they can chip
  • Diamond industry employs nearly 10 million people all over the world from mining to retailing
  • The Koh-i-noor , The Hope diamond , The orlov diamond and The Idol’s eye are some of the world’s famous diamonds
  • Prior to the 18th Century most diamonds were found in India
  • The USA consumes about 35% of world’s diamond production







While choosing diamond, selecting the shape is the first and foremost thing to do.

While round diamonds give sparkle , Pear or marquise shape gives a larger appearance. Princess shape gives contemporary look , Emeralds look sleek and elegant while Heart shape is unique in itself. Pictorial view of all fancy shape diamonds are given below.


marquiseovalPrincessradiant         cushionemerald















Four C’s Meaning Cut , Clarity , Carat Weight and Colour of a diamond together determine the value of diamond. Hence it is important to have basic understanding about them.


Cut of a diamond is of immense importance because if it is cut in proper proportion it will give diamond maximum brilliance and sparkle. Cut has nothing to do with the shape of a diamond. An Excellent cut gives maximum brilliance while a poor cut gives least brilliance to a diamond

Diamond Proportion_Allyoursjewels

Color of a diamond

By Color we mean the universal grading standards adopted by various laboratories to grade diamonds on a scale of D to Z. Fancy colour diamonds are also graded on the basis of Intensity of colour.

Diamond Color_chart_Allyoursjewels


Clarity of diamond

Clarity of a diamond is determined on a scale of FL to I3. However the grading technique of various laboratories differ from each other and has has some variation in the clarity grades given by them.


Diamond Clarity_Scale


Carat weight

A unit to determine weight of a diamond is called “Carat”. It can be from 0.01ct to 20ct or 30ct or even larger in size. Below image shows size from 0.25cts to 3.00cts with the approx MM size it should have.




Flourescence of a diamond

Flourescence means the tendency of a diamond to glow when exposed to ultraviolet light. The intensity of flourescence differs from diamond to diamond. It is believed that 30% of the diamonds have fluorescence. A diamond of same size, color, clarity and weight with flourescence  is comparatively cheaper than a diamond without fluorescence.