• Australian Boulder opal set in 18 K gold pendant
  • Australian Boulder opal set in 18 K gold pendant
  • Australian Boulder opal set in 18 K gold pendant
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Rocks On The Rocks

Boulder Opal Pendant – 18K Gold, 2.68ct, Semi-Dark, Green & Red

Boulder Opal Pendant – 18K Gold, 2.68ct, Semi-Dark, Green & Red

$1,500.00 AUD
$1,500.00 AUD
Sale Sold out
Taxes included. Shipping calculated at checkout.

At 2.68 carats this Queensland boulder opal sits at a weight where the stone has real presence on the body — not a sliver, not a statement-piece boulder, but a pendant you'd actually wear. The colour play is what Joseph flagged when he selected it: an unusual pairing of green and red moving together across a semi-dark background. Green and red are opposite ends of the opal spectrum, and finding them both in the same stone — shifting as the piece catches light from different angles — is rarer than either colour alone. The bezel setting in 18K yellow gold follows the stone's natural edge and lets the full face show, with the warmth of the gold picking up the green without dulling it. The chain is 18K gold-plated, 45 cm, ready to wear.

About Boulder Opal

Boulder opal forms as veins of precious opal within ironstone matrix in the opal fields of Queensland — primarily Quilpie, Yowah and Winton. Unlike black opal from Lightning Ridge, the opal cannot be separated from its host rock; it's cut as a single solid piece, with the natural brown ironstone remaining as the stone's backing. This gives boulder opal its distinctive look — vivid colour against rich earth tones — and also makes it physically more durable than other opals, since the ironstone host is harder than the opal layer it carries.

Specifications

  • Stone: Boulder Opal
  • Carat Weight: 2.68ct
  • Colour Play: Green and red
  • Body Tone: Semi-dark
  • Setting: Bezel, 18K yellow gold
  • Chain: 18K gold-plated, 45 cm
  • Origin: Queensland, Australia
  • Availability: One-of-a-kind — 1 piece available

Caring for Your Opal

Opal is softer than diamond or sapphire, so a little care goes a long way. See Opal Care for storage, cleaning, and what to avoid.

Provenance

Hand-selected by Joseph Bernecki, sourced direct from the Australian opal fields and set in his Sydney workshop. Meet him any weekend at The Rocks Market, stall under the bridge, Sydney. Read Joseph's story →

Common Questions

Is the chain solid gold or plated?
The pendant setting is solid 18K yellow gold. The chain is 18K yellow gold-plated — a standard pairing that keeps the piece accessible without compromising the setting. A solid 18K chain upgrade is available on request.
What does semi-dark body tone mean?
Semi-dark means the background of the stone sits between a light-bodied opal and a fully black one — dark enough to give the colour real contrast, light enough that the stone still reads warm rather than heavy. On this piece the semi-dark background is what makes the green and red pop rather than sit flat.
Is this a natural Australian opal?
Yes — a solid, untreated boulder opal from Queensland. Not a doublet, not a triplet, not synthetic. One stone, natural colour.
Certification, shipping, returns?
Every piece is backed by Joseph's personal guarantee, ships fully insured within Australia, and can be returned within 14 days. See Buying an Opal for the full breakdown.

Each piece is one-of-a-kind. Once this stone sells, there is no other like it.

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