graff格拉芙以5300万美元购入1109ct"lesedi la rona"钻石
graff为lesedi la rona推出抛光宝石_中诺珠宝招商网
a-model-holding-the-graff-lesedi-la-rona-square-emerald-cut
全球最大方形祖母绿切割钻石"graff lesedi la rona":302.37克拉
graff acquires the lesedi la rona diamond
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