Gemstones Exploring the Mystique of the Dresden Green Diamond: History, Significance and Science ByNicholas Holland
Gemstones Unveiling the Mystique of the Rare Blue Garnet: From Tanzanian Origins to Symbolic Significance ByNicholas Holland
Gemstones The Black Orlov Diamond: A Journey Through History, Curse, and Fascination ByNicholas Holland
Gemstones The Koh-i-Noor Diamond: A Gemstone Shrouded in History, Power, and Controversy ByNicholas Holland