Factors Affecting Value of Ruby
The value of natural rubies varies depending upon the four Cs of Connoisseurship together with their size and geographic origin. Diamonds are graded using a series of criteria that have become known as the four Cs, namely color, cut, clarity and carat weight. A variant of that standard can be used to evaluate colored gemstones. The four criteria that may be called the four Cs of Connoisseurship are: color, cut, clarity and crystal.
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2 comments:
he.he..he ada orang spanyol nyasar..!!
kok ga nambah2 nih postnya
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