The diamond's path then becomes foggy until 1839, when it popped up in the gem collection of banking heir Henry Philip Hope. The diamond then passed through the hands of multiple private sellers, gracing a tiara at one point before being set as a pendant. The Hope Diamond was donated to the Smithsonian in 1958. Three-hundred-plus years of recutting has whittled its weight down to 45.54 carats.
Blue diamonds aren't the only unusual color out there. Very rarely, miners unearth red diamonds, which are sometimes mistaken for garnets or rubies. Only three red diamondsweigh more than 5 carats, including the Kazanjian Red Diamond, which went on display at the American Museum of Natural History in 2010.
据美国生活科学网4月26日报道,英国宝龙拍卖行称,4月24日,一颗惊艳蓝钻以620万英镑(约960万美元)的价格拍出,每克拉价格高达180万美元,刷新了此前每克拉168万美元的世界纪录。
这颗钻石色泽呈孔雀蓝,大概在1965年,意大利珠宝商宝格丽将它镶嵌在一枚戒指中。拍卖价高昂很可能是因为其独特的色泽和不俗的来历。宝格丽是好莱坞影视名流钟爱的珠宝品牌,而且蓝钻在市面上十分罕见,更何况是一块5.3克拉的大钻石。
根据色彩强度,这颗钻石学名为“花式深蓝”钻石,其蓝色光泽由硼原子与碳原子结构的混合而产生。宝龙拍卖行指出,在所有开采的钻石中,只有不到1%是蓝钻。
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