Man-made diamonds have been around since the 1940s, but diamonds made of food products? Well, that’s a relatively new trend, both from a fashion — and culinary — standpoint. Are you ready to “dip” into the food-based diamond market?

If so, the very latest comes from the makers of Hidden Valley, the Chicago-based condiment maker, which worked with geologist Dean VandenBiesen to create a two-carat sparkler out of its famed ranch dressing. Read more