Diamond

Diamond is the most precious and rare in all the gemstones. Due to its rarity and beauty it is very expensive then other gemstones. The cost is depending upon the 4 c's which provide a standard for evaluating diamonds :  

Colour : Diamonds can cover the entire spectrum of colours. The majority range from a perceptible yellow or brownish tint up to the very rare diamonds described as colourless. Colourless diamonds are the most desirable since they allow the most refraction of light (sparkle). Off white diamonds absorb light, inhibiting brilliance. You can best observe diamond colour by placing the stone table side up on a flat white surface or grading trough, and examining it from different angles. Next, place it table-side down with the culet facing you, and examine it from different angles. Next, place it table-side down with the culet facing you, and examine it through the pavilion facets. 

Cut : Cut has the greatest influence on the diamonds fire and brilliance. A round, brilliant-cut diamond has 57 facets. When well proportioned, this shape best shows the stones brilliance because

Navratan - Nine Gemstones

Gemology is the science of those minerals and other materials which posses sufficient beauty and durability to make them desirable as gemstones. It is concerned with the identification, grading, evaluation, fashioning, and other aspects of gemstones. In this project I personally learned about varied gemstones, diamonds and gem minerals which are of great importance in jewellery trade and industry. 

 NINE GEMSTONES

 

 Diamond: It is the most precious and rare, gemstone. Most attractive to the eye, the diamond is famous for its play of colours: It is the most hardest gemstone. A fine diamond is radiant & delightful. It has a self luminous quality of a clear crystal. 

Diamond is a gemstone for the planet "Venus". 

Emerald: This gemstone is rare because it is very difficult to find a flawless emerald. Aquamarine, morganite goshenite & heliodor are also members of the beryl family (Emerald is a member of beryl family) and have same chemical constituents, except from chromic oxide which gives emerald green colour.

Emerald is a gemstone for planet "Mercury".