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Discover Our Dazzling Diamond Jewellery


If you’re looking for a stunning diamond jewellery piece, you’re sure to fall in love with the options available at Johnston Opals. Made with quality diamonds and 14 carat white or yellow gold, we stock a range of impressive diamond necklaces that are sure to impress and delight.

Our options include:

  • 14ct white gold smiley face diamond necklace, with a total diamond weight of 0.48ct
  • 18ct white gold diamond necklace with 19 brilliant cut diamonds, with a total diamond weight of 0.51ct
  • 14ct white gold heart diamond necklace, with a 14ct gold chain and 0.23 carats of diamonds
  • 14ct white gold diamond necklace with 0.12 carats of diamonds spelling out the word ‘Love’
  • 14ct yellow gold diamond necklace with a total diamond wright of 0.18ct
  • And more