Diamond Necklace. Avril’s been noticed out and about with a massive new diamond necklace, and turns out, it’s a present from her rumored boyfriend. According to TMZ, Tyga gifted the “Sk8er Boi” singer the $eighty,000 personalized-built bling from New York Metropolis-based mostly jeweler Eric Mavani. The outlet stories that the chain necklace features fifty carats (!) of white diamonds, black diamonds, and pink sapphires that spell out her to start with name, initial original, and two cranium and crossbones types.