One of the most valuable blue diamonds to ever feature at an auction could sell for more than $48 million, according to Sotheby's.
원문출처 : https://www.cnn.com/style/article/blue-diamond-auction-intl-scli/index.html
원문출처 : https://www.cnn.com/style/article/blue-diamond-auction-intl-scli/index.html