Posted on September 12, 2020September 12, 2020 The Mrs. Paul Mellon Schlumberger sapphire and diamond brooch sold for $1 million to an online bidder. Share this:TweetShare on TumblrPocket Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print By fomalhaut66Categories: Brooch Diamond Diamonds Sapphire SchlumbergerTags: Brooch, Diamonds, sapphire, Schlumberger