The Diamond Sutra is among the most popular works of the Prajnaparamita group of Sutras. Indeed, it is one of the most popular Sutras within the Mahayana cannon as a whole.
This translation, by Tom Graham, is based on Kumarajiva's text, which is probably the most widely used single source for translations of the Diamond Sutra. The commentary is by Master Hsing Yun, the forty-eighth patriarch of the Lin Chi (Rinzai) School of Zen Buddhism. The text presents the complete translation of the Sutra followed by a series of chapters which quote each section of the sutra in turn and provide commentary on it.
"The Diamond Sutra beats with two hearts: one is wisdom and the other is compassion. To be wise is to know and understand the essence of awareness. To be compassionate is to know and understand the essence of intention. In the Diamond Sutra, the Buddha shows us that ultimately, compassion and wisdom are one."
-from the Introduction by Master Hsing Yun
"A brilliant translation with a lucid and accessible commentary. Master Hsing Yun is truly a leading light of contemporary Chinese Buddhism."
-Professor Lance E. Nelson, University of San Diego
"A very important contribution to the study of Buddhism, ably and readably translated. I strongly recommend reading it."
Another excellent version of the Diamond Sutra is The Diamond Sutra: The Perfection of Wisdom
by Red Pine. Unlike most English translations of the Diamond Sutra, which are typically based on a single text, Red Pine has consulted a wide range of source texts for his edition.