Koh-i-Noor: The History of the World's Most Infamous Diamond Koh-i-Noor: The History of the World's Most Infamous Diamond Koh-i-Noor: The History of the World's Most Infamous Diamond is a 2017 book on the Koh-i-Noor diamond written by William Dalrymple and Anita Anand. The gem is one of the largest cut diamonds in the world, weighing , and part of the British Crown Jewels. Koh-i-Noor is Persian for "Mountain of Light"; it has been known by this name since the 18th century. It changed hands between various factions in modern-day India, Pakistan, Iran, and Afghanistan, until being ceded to Queen Victoria after the British conquest of the Punjab in 1849.
Pink diamond ranging from brown-pink to purple-pink, although pink can also be a modifying color in other diamond colors. Brown, orange and purple are the only occurring secondary hues in pink diamonds although a pink diamond can exhibit both brown and orange overtones at the same time, making it a "brownish orangey pink" diamond.The ideal pink diamonds are generally considered to be those which exhibit pure pink color although purple-pink diamonds are generally very highly regarded as well. Generally speaking, a vivid pink diamond will be more valuable than a larger lighter pink diamond, although it is not always the case according