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The Collection · 15 Pieces

Opal Necklaces

An opal necklace carries a whole spectrum in one stone, that shifting play of blue, green, and pink that no two opals share. This collection runs from milky white cabochons to warm Mexican fire opal, set as pendants, crosses, and hearts on gold and sterling silver. Each piece comes complete at one all-in price, with any accent diamonds genuine and lab-grown.

Opal is October's birthstone, which makes any of these a natural birthday gift; pair one with opal earrings for a set, or reach for a diamond pendant when you want something harder-wearing. Chain lengths and metals vary so you can layer or wear a single statement piece.

Here is the honest part: opal is soft, a Mohs 5.5 to 6.5, and it holds a little water inside, so it needs more care than a diamond or sapphire. We favor bezel and protected settings that shield the girdle, and we keep opal off ultrasonic cleaners and away from sudden heat, which can dry and craze the stone. A wipe with a soft damp cloth is all it wants.

Every necklace is made to order and shipped fully insured at no cost, with a 30-day return window and a lifetime warranty on the setting. Prefer a specific opal color, a larger cabochon, or a longer chain? Our concierge will hand-select the stone and confirm it before you order; the make-to-order timeline is shown on each product page.

Opal Necklace FAQ

Is an opal necklace durable enough for everyday wear?

An opal pendant takes gentle daily wear well because it hangs clear of knocks, but opal is softer than most gems, so we set it protected and suggest you take it off before sport or cleaning with chemicals.

How do I care for an opal?

Clean it with a soft damp cloth, never an ultrasonic, and avoid sudden temperature swings or long spells in dry heat. Stored away from harder jewelry, an opal keeps its play of color for decades.

What is the difference between white and fire opal?

White opal has a pale body with flashes of color across it; Mexican fire opal glows a warm orange to red throughout. Both are genuine opal, and the choice is purely about the look you want.