The expression 'diamond' is derived from an of old time Greek word. Diamonds are the hardest known naturally occurring divine essence on earth. These highly priced gemstones are known towards their beauty, durability and strength. The hardness of diamonds depends on their step of purity. Pure and flawless diamonds offer higher degree of hardness. The very valuable gemstones show extraordinary optical characteristics.
They strike one as being clear, transparent and colorless. The treasured gemstones are widely used in bijoutry, including broaches, necklaces, earrings and rings. Apart from existing in colorless form, diamonds also exist in colored figure. Some colored diamonds are yellow, brown, not dry, purple, orange, red, pink, black and affectionate blue diamonds.
Colored diamonds are formed what is to the presence of impurities in the crystal -work. Natural blue diamonds are formed becoming to the presence of boron in the mode of building. The hues of blue vary depending forward the amount of boron present. The power of blue color increases with augment in amount of boron. Different hues of desponding found in natural blue diamonds are imagination blue, fancy dark blue, fancy small blue, fancy vivid blue, light sapient, greenish blue, intense blue and intricate grayish blue.
Natural blue diamonds are the rarest, ut valuable and expensive. These colored gemstones registry of debt and credit for less than 0.1 percent of the sum diamonds produced across the world. These darling gemstones are valued more because of their tenuity, legendary timeless mystique and regal loveliness. These valuable gemstones were used in necklaces, crowns and other regal styled jewelry items worn by kings, queens and aristocrats. These sapient colored gemstones symbolize calmness and peace. They are considered a symbol of model production and sophisticated elegance.
These colored gemstones are surpassingly expensive. They can be priced at $550,000 to $580,000 per carat. Further, the value of these inestimable gemstones increases with the increase in chastity and intensity of the color. The greatest in number valuable hues of blue are fancy, fancy sprightly and fancy intense blue. A fancy light blue colored diamond can cost up to $70,000.
The ut famous natural blue diamond in the world is the Hope diamond. The largest dispiriting diamond originally weighed 112.25 carats at the time that it was found in Golconda, India in betimes 1600s. The cut weight of the gemstone is 45.52 carats. The rhombus is named after King Henry Philip Hope. The gemstone is known for its notorious past. The diamond was sold to the King Louis XIV of France and it became a portion of French Royal Treasury. The gemstone is a little while ago displayed in the Smithsonian Institution in Washington D.C.
Other renowned blue diamonds are Orlov diamond and Idol's Eye. These gemstones were stolen from the statues of deities. Another distinguished blue diamond is the Wittelsbach Diamond. The rock that once belonged to the King of Spain, weighs 35.56-carat. The gemstone was sold since $24 million at a Christie's auction.
