Now that's a rock.
In fact, it was a very good day to be an investor in the Lucara Diamond Corporation:
Lucara also said it found two other very large white diamonds,. The first weighs 813 carats before cleaning, meaning it’s likely to rank among the 10 largest ever found. The second is 374 carats."This is a balance sheet changing development" for Lucara, Investec Plc said in a note on Thursday.