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The 5 C
1. Carat / Carat Weight
One carat is 1/5 of a gram.
Clarity is a measure of a diamond's internal flaws and impurities.
Diamonds can also come in pink, yellow, blue, green and red as well as colorless.
Most diamonds are cut round with a full 58 facets. A good cut, or make, has more sparkle.
The best-known and most widely accepted certificate is from the Gemological Institute of America (GIA).
Another certification you should know about is the " Kimberley Process Certification Scheme for Rough Diamonds. "
Diamonds have become an important part of weddings and proposals.
By not buying " blood diamonds " you're helping the world be a better place.
這邊有相關新聞的字彙教學，要考TOEFL 或 IELTS的粉絲們別錯過。