by Claudia Carletti Camponeschi March 23, 2018 1 Auctions Blue Diamonds High Jewellery Jewellery Stories Jewels of Provenance Kings & Queens Sotheby's The Farnese Blue – Royal History at Sotheby’s Three-hundred years of Royal History all in one 6.16-carat blue diamond.
by Claudia Carletti Camponeschi October 30, 2017 1 Auctions Christie's Exceptional Gemstones High Jewellery History & Heritage Kings & Queens Magnificent Jewels Diamond legends: Le Grand Mazarin A gem with three centuries of royal provenance comes to auction at Christie’s after 130 years: Le Grand Mazarin