This month, JCK debuts “’Net News,” a column featuring Internet trends and, in the tradition of Netscape Navigator™, sections called “What’s New” and “What’s Cool.” “What’s New” will list new jewelry-related Web sites and “What’s Cool” will feature useful, original sites discovered by JCK staff in the course of surfing the World Wide Web. Rapaport explains benefits of doing business on-line Need a diamond? It can be right there, right now, with the help of on-line trading sites such as Rapnet (http://www.diamonds.net), Martin Rapaport said at a recent speaking engagement. Rapaport is the publisher of the Rapaport Diamond Report and creator of Rapnet, a diamond and jewelry site on the World Wide Web that provides registered members with prices and statistics and acts as a trading forum for industry members. “The Internet has the potential to revol