Over 5 years of researching, combined with the best cutting technology and quality control; on Year 2002, " " has been firstly introduced to the world. The most obvious part to distinguish " " among other cutting is the " 8 Arrows & 8 Hearts " effect. This effect also treated as the trademark of this outstanding product. The effect of "8 arrows & 8 hearts " reveals how precise was each facet being cut and polished in the other words, reached the maximum brilliance level with the minimum tolerance. (+/-0.01mm). Arrows   Hearts