Buying a diamond used to be a fairly straightforward decision. You picked a shape, considered the size, looked at your budget and hoped you were making the right choice. Well, things have changed a bit. Today, one of the first questions people ask when shopping for an engagement ring is whether they should buy a natural diamond or a lab grown diamond. And it’s a reasonable question. Two diamonds can look almost identical, have similar grades and still have very different price tags. At David