I've written about many exchange-traded funds, and I thought it would be worthwhile to see how these ETFs coordinate to create the equity portion of a diversified portfolio, or at least my idea of one. The following is an actual account, recently implemented, that shows a blend of ETFs, common stocks and even a closed-end fund.I'm not a fan of all-ETF portfolios, but I'm a big believer in using the best tool to capture a given effect. For some people, the best tool might be an ETF, and for others, it might be a stock. The following represents one person's best way to capture a diversified portfolio. For purposes of this article, I'll go sector by sector, but focus on the funds.