The best replacement for necklace is pendant.

The best alternatives to necklace are rated as following:
★★★★★  pendant
★★★★★  bracelet
★★★  scarf
★★★  earrings
★★  chain
★★  necklace
★★  ring
★  no necklace
★  earring
★  story of an hour
★  18 inch
★  hazelwood
  gift of the magi
  18 inch necklace

Your alternative for necklace is not listed? Suggest!
Speaking about necklace, one probably shouldn't forget about pendant.

Other search terms related to necklace and their ratings are:
★★★★★ pendant
★★★ one shoulder dress
★★ strapless dress
★ gold bar
★ one pearl
★ initial
You have in mind a companion for necklace and it is not yet here? Propose!



Google Trends

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necklace
pendant
bracelet