The best replacement for swarovski is zeiss.

The best alternatives to swarovski are rated as following:
★★★★★  zeiss
★★★★  leica
★★★  leupold
★★  nightforce
★  vortex
★  cubic zirconia
★  waterford
★  preciosa
★  zeiss binoculars
★  tiffany
★  leica rangefinder
★  schmidt and bender
★  zeiss spotting scope
★  kahles
★  zeiss rifle scopes
★  vortex binoculars
★  rhinestones
★  meopta
  moissanite
  leica binoculars
  cubic zirconium
  nikon binoculars
  schmidt bender
  eagle optics
  zeiss spotting scopes
  austrian crystals

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Speaking about swarovski, one probably shouldn't forget about style.

Other search terms related to swarovski and their ratings are:
★★★★★ style
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