The Look For Less: Heidi Klum Collection Clover Necklace In case all the clover jewelery Heidi Klum has been wearing lately didn't give it away, the supermodel has a year-old bling collection called Heidi Klum Collection. The clover necklace she wore to the jewelry presentation in Berlin in September is beautiful and sort of resembles the most expensive clovers of all: Van Cleef & Arpels designs.