Australian boulder opal ring in 22ct gold — collector piece by NJewellery

Collector Pieces

Unrepeatable rings — each one designed around a single rare stone, set in solid gold, never remade once sold.

The top shelf — one-of-a-kind pieces built around exceptional Australian stones. Currently: boulder opal rings in 18ct and 22ct gold combined with silver, one set with a diamond. These are the pieces where an unrepeatable stone met the metal it deserved; when one sells, nothing replaces it.

Serious about a piece, or after something at this level made for you? Start a custom commission, or browse Australian opal jewellery and in gold, by hand.

Frequently asked questions

What makes a piece a collector piece?

The stone, chiefly — a boulder opal with colour and character that stands well above the rest of the year's cutting — matched with high-karat gold and hand construction. These are pieces made once, around one stone, with no second copy possible.

Are the opals solid?

Yes — solid Australian boulder opal, cut with its ironstone host, never doublets or triplets.

Can I commission a piece at this level?

Yes. Custom commissions can be built around a stone from Natalia's collection or one sourced for you — the custom design page explains the process and stages.