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Diamond knowledge Diamond grade The size of a diamond is directly proportional to its weight. When the diamond is cut and polished, it will lose approximately 2 3 of its weight. High-quality, gem-grade rough stones are rarer as they are, so a single 2 carat diamond will be much more expensive than two 1 carat diamonds of the same quality.
URL: www.tingdiamond.com/hk/education-diamond-grading/4cs
Diamond 4c
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Pete And Winnie thier assist, every customer must be able to choose a perfect diamond for their lover
URL: www.tingdiamond.com/hk/education-diamond-grading/4cs
diamond 4c
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