This sold out style is returning in 2-6 weeks. Clients who sign up for our back in stock email list will be alerted first.

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Introducing our largest stone size Kate, the 4.5MM Kate rivière necklace (formally Kate Collar). No longer reserved for evening events, our Kate rivière necklace in gold makes a striking comeback as an everyday staple. Crafted with 27cts of round-cut white sapphires, the Kate rivière collar sits perfectly above the collarbone.

The Fine Print:

  • Metal: 18k Gold-coated sterling silver
  • Setting: 4-prong
  • Stone Type: Lab-grown white sapphire
  • Stone Shape: Round cut
  • Stone Size: 4.5MM


  • 15 inches, 27.00 CTW DEW

What is Lab-Grown?

Dorsey gemstones are engineered in a lab meant to mimic the conditions in which the stones naturally develop beneath the Earth’s crust. So they have the same physical and chemical properties as mined stones, but without harm caused to the environment or those who mine for them. Lab-grown gemstones are more affordable than mined gemstones but the quality, sparkle, and timelessness factor remains the same. This is the future of beautiful jewelry.

Lab-grown diamond expressed in Carat Total Weight (CTW). Lab-grown sapphire and emerald CTW expressed in Diamond Equivalent Weight.

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