October Birthstone Jewelry — Opal and Tourmaline

October has two birthstones, opal and tourmaline. Opal is soft and takes knocks badly, so it suits earrings and pendants; tourmaline is harder and works in rings.

Every piece here is solid gold, never plated, and made to order in our own workshop.

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  • Solid Gold Opal Solitaire Ring

    Solid Gold Opal Solitaire Ring

    $2,921.60
  • Solid Gold 0.71ctw Paraiba Tourmaline | Sapphire and Diamond Cocktail Ring

    Solid Gold 0.71ctw Paraiba Tourmaline | Sapphire and Diamond Cocktail Ring

    $3,247.20
  • Solid Gold 0.89ctw Aquamarine Ring

    Solid Gold 0.89ctw Aquamarine Ring

    $3,528.80
  • Solid Gold Red Tourmaline Solitaire Ring

    Solid Gold Red Tourmaline Solitaire Ring

    $726.00
  • Solid Gold Pink Tourmaline Tennis Bracelet

    Solid Gold Pink Tourmaline Tennis Bracelet

    $2,036.32
  • Solid Gold Ethiopian Opal Tennis Bracelet

    Solid Gold Ethiopian Opal Tennis Bracelet

    $3,506.80

The Karat Store promise

Solid gold, made to order in our own workshop, delivered to your door anywhere in the world.

Free diamond studswith every order over $800
10% off your first orderwith code TREND10
Free cleaning & resizingfor life, and we pay the postage
Free insured deliveryworldwide, with 60-day returns