Our modern take on the rivière features 34 delicate heart-shaped red garnet crystals in an open back setting, allowing for maximum light & luminescence. Necklace length: 15" + 5" extender. Arrives in a pink velvet storage box. Garnet is the birthstone for the month of January. The rivière [French: river] necklace is characterized by same-size stones or stones graduating smoothly in size. It gained popularity in the Victorian and Georgian era, adorning the necks of royals and fashionistas alike. Worn just at the collarbone, this delicate piece of jewelry is designed to look like a stream of jewels to accentuate the beauty of a woman's neck.