Your search for "amazon necklace" revealed the following:

Yamaya Chalcedony Necklace 14ct gold — €449

Galaxy Heart Necklace silver — €119

Yamaya Onyx Necklace 14ct gold — €399

Yamaya Chalcedony Necklace 14ct white gold — €529

Yamaya Chrysoprase Necklace 14ct gold — €499

Yamaya Onyx Necklace 14ct white gold — €479

Galaxy Heart Necklace gold — €169

Alphabet Necklace 14ct gold — €219

Yamaya Chrysoprase Necklace 14ct white gold — €599

Anchor Chain Necklace 14ct gold — €279

Love Necklace 14ct gold — €239

Artemis Necklace 14ct gold — €489