公园街珠宝-钻石和钻石首饰，有色宝石和企业奖励低于零售。
Park Ave jewelry - diamonds and diamond jewelry, colored stones and corporate awards below retail.
国际贸易中有色宝石的报价主要是按其总品质级别和克拉质量给出的。
In international coloured gemstone trade, all the asking price and bid price are given according to the total quality grade (1 to 10 ) and carat of coloured gemstones.
众多的宝石类型都有色变这一特点，如蓝宝石和夜明珠。
Many gem types display color change, such as Sapphire and Garnet.
众多的宝石类型都有色变这一特点，如蓝宝石和夜明珠。
Many gem types display color change, such as Sapphire and Garnet.
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