History followed the path of inevitability and serendipity.For diamond synthesis, the rise of China was inevitable because China was returning to her glory as worlds largest economy before the industrial revolution around 1800.On the other hand, Chinese employment of cubic presses as the production equipment for making diamond was the result of westerns boycott of belt apparatuses, the mainstream technology for manufacturing high grade saw grits.The author has a Ph.D degree of MIT in high pressure technology (1976), was responsible for diamond manufacture at GE (1980), transferred the diamond technology to Iljin Diamond and Shenzhen Asia with 5000 tons belt apparatuses (1988), also supplied the first magnetic separator and friability tester to Korea and China for the qualification of saw diamonds.At the turn of this century, the author collaborated saw diamond technologies with Diamond Innovations, Element Six, US Synthetic, Zhongnan Diamond, Hounghe Whirlwind and developed the worlds first patterned seeding technology for growing saw diamonds.This is the authors review of diamond world war between Western and Eastern cultures.