Boulder Opal Stud Earring — 18k Gold Filled, Freeform, Sold Individually

This boulder opal stud earring in 18k gold filled is sold individually: build your own ear stack, mix metals and shapes, or start with one and add more over time. Every stone is a genuine Queensland boulder opal with a raw, freeform edge, so each stud tells its own story. One stone, one story.

Choose Your Stone

• Seafoam: pale, cloudy aqua-green, soft and quiet

• Spark: vivid electric blue with a flash of fiery red

• Meadow: bright emerald green with blue undertones

• Cobalt: deep, saturated blue, small and striking

The Details

• One genuine Queensland boulder opal, freeform cut, approx. 6–8 mm

• Natural Australian opal, never synthetic

• 18k gold filled setting and butterfly back

• Nickel-free and hypoallergenic

• 1-year guarantee

• Handmade, one piece at a time

• Arrives in a gift pouch

Why Boulder Opal

No two stones are cut the same way. Each one follows the natural shape the opal was found in, so the outline itself is completely unique: this exact stone will never exist again.

Perfect For

Building a personal ear stack one stone at a time, an October birthstone gift, or a treat for someone who loves jewellery with real character. Free shipping within the Netherlands.

Care

Store your stud in a dry pouch, away from water, perfume and sunlight, and wipe it gently with a soft cloth after wearing. Free from nickel, lead and cadmium, and compliant with REACH and GPSR (2023/988).