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.

Skip to results list

Active filters:

78 items

Filter

Active filters:

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