synthetic diamonds

When buying a diamond the options are clear: the 'real thing'... or synthetic ones, also known as lab-grown, which have no lasting value. 
A diamond by definition is a mineral created by nature; a “diamond” always means a natural diamond. A synthetic diamond, by definition, is an artificial product that has essentially the same physical characteristics as a diamond. They are sometimes marketed as “laboratory-grown”, “cultured”, “created”, “cultivated”, “synthetic”, “simulated”, or “man-made”, but it's important to understand the differences.
"Synthetics or lab-grown diamonds are mass-produced in factories, made in a matter of weeks and primarily used for industrial purposes. None of these qualities is commonly associated with the rarity, beauty and luxury that embody a diamond," writes Jean-Marc Lieberherr in the Washington Post.