Rare Blue Diamond Sells For 5 Million Barry Gutwein November 27, 2012 No Comments A 9.46-carat blue diamond sold at auction for $4.5 million by the Lucara Diamond Corp. The diamond was mined at the Karowe diamond mine in Botswana.
Diamonds Look Great With Blue Sapphires! Judah Gutwein March 29, 2007 Here is a custom Vatche engagement ring we did for a customer with sapphires in the channel instead of diamonds.