Women's 3-Strand 14KT Yellow Gold Fancy Alternating Bead Chain Necklace 18" 5.3g. This necklace is approximately 18 inches in length with a maximum width of 3mm.
Classic 14KT Yellow Gold 1.3mm Wide High Shine 21" Rope Chain Necklace - 2.64g
22KT Yellow Gold High Shine 22" Twisted Margarita Chain Necklace 2.5mm - 16.2g
24" High Shine Double Link Twisted Long Sterling Silver (925) Chain Necklace 37g. This chain has a width of 6.4mm.
18" Classic Twisted Link 14KT Yellow Gold 2mm Wide High Shine Necklace 5g by AJC. This necklace has a total wearable length of 18 1/4".