Normally, 6.5 millimeter diameter is considered an ideal size for one carat weight of diamond. Diamonds are the hardest natural substance known to man. Characteristics of diamonds . A cut diamond meets four criteria known as the 4 Cs which together determine its market value. It is commonly believed that diamonds are formed from coal, but this is not true. No play of light and jewelry significance. The four characteristics that determine the value of a diamond are called "4C's" are: Carat (weight or carats), Color, Clarity (purity) and Cut (size) that would add one last factor would be the fluorescence. Please note that most of the following clarity characteristics will usually be very discreet, many only visible with a 10x lens and a trained eye. The world practice of valuation of diamonds has developed long ago and is based on the fact that the characteristics of diamonds are described by four indicators: mass, color, clarity (transparency) and cut. When appearing on a diamond certificate they merely identify and specify the type of inclusion. 3. Until the stone is cut, it is just a diamond. What you need to Understand? At this point, I would like to tell you that the size and weight of diamonds are two different characteristics. Diamond Characteristics, Structure and Property. Diamonds are made deep in the Earth where there is an intense amount of pressure and heat. It can scratch anything – since diamonds are the hardest metals on earth, this also means that it can scratch just about anything. But diamonds are very hard and in crystalline form. Diamond Weight . In real life, flawless diamonds are rarely encountered as the vast majority of natural diamonds have some degree of imperfections. Only properly and professionally cut stone can refract light and sparkle.

Learn what determines the Weight (carat), Clarity, Colour and Cut quality that give the unique properties. Accueil > Our Diamonds > Diamonds and Their Characteristics > The 4 Cs Diamond Properties. It should come as no surprise that some of the world’s most expensive diamonds have a good combination of color and clarity ratings. Different colors – the rarest diamonds are colored pink, yellow or blue. If the jeweler says that your piece is rare but not in those colors, you might want to ask for their explanation. A-Z of Clarity Characteristics of Diamonds. The … Industrial diamonds might be polycrystalline, have numerous inclusions, have poor clarity, contain fractures, have a small size, or have other characteristics that disqualify them from gem or technology uses. When a diamond has size lower than 6.5 mm diameter but has the same one carat weight, its worth will be less. Structure and Property.