Since ancient times, the blue sapphire has been considered powerful in averting bad luck and evil eyes.On the other hand, the Royal Blue stone can range from 3 lacs to 10 lacs per carat.īlue sapphire has an abundance of benefits. For instance, in India, the value of Kashmir Blue sapphire (per carat) can be between Rs 50,000 to 5 lacs. The prices of blue sapphires vary from stone to stone. The value of a sapphire increases even further when the colour of the stone is supported by good transparency, even distribution of colour, lack of inclusions and an even cut. In simple terms, the most valuable sapphires are those which contain a vivid blue hue and a medium to medium-dark undertone. The hue is the spectral colour of the stone, tone determines the lightness or darkness of the hue and saturation defines the vividness and the intensity of the hue. The colour is divided into three sub-types: hue, tone and the saturation of the stone.
However, in the case of gemstones like sapphires, their colour plays a prominent role in determining their value. The 4 Cs – colour, cut, clarity and carat play a key role in determining the value of a diamond.
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