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precious stones click to hear : precious stones

The value of these four gemstones is based on their rarity, brilliance and durability.
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See precious stones in : french | spanish
diamond sapphire ruby emerald

diamond click to hear : diamond

The hardest stone is colorless although there are also blue, yellow and pink varieties; it is the most renowned precious stone.

sapphire click to hear : sapphire

This stone can be blue, pink, orange, yellow, green, purple or even colorless; the most sought-after color is purplish-blue.

ruby click to hear : ruby

The rarest of all precious stones is extremely hard; its color varies from a bright pinkish-red to a purplish red, which is the most sought-after color.

emerald click to hear : emerald

Stone whose color varies from greenish-yellow to greenish-blue; an emerald’s value is based more on its color than on its purity.