71岁的劳伦斯·格拉夫(Laurence Graff)曾白手起家，现在拥有了全球最高档的珠宝连锁店，被喻为“钻石大王”的他所购买的珠宝是同类竞争者所买不起的。
Laurence Graff, 71, the rags-to-riches owner of the most exclusive global jewellery chain, is the "king of diamonds", buying exclusive stones competitors cannot afford.
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