WEIGHT : The weight of a sapphire is expressed in carats (ct) to 2 decimal places - 1 ct = 0.20 g.
However other shapes are also used, such as the oval cut (especially popular in rings and necklaces) or fantasy shapes such as the marquise, heart or teardrop. ĬUT : Jewelry with sapphires is most often decorated with stones in a round cut. You will therefore also come across sapphires in a range of colors including pink and yellow. They are very durable and retain their beautiful appearance even with minimal care.ĬOLOR : Sapphires are known for their royal blue color, but apart from red rubies, all other corundums are also classified as sapphires. Sapphires are corundums with a hardness of 9, so only diamonds are harder than them. Sapphires are among the most popular gemstones and together with emeralds and rubies, they make up the big three of precious stones.
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