Cosmopolitan Jewellers

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Cosmopolitan Jewellers Sydney's premier jewellery house, specialising in Australian Opals, South Sea Pearls, Pink Diamonds set in hand crafted 18k fine jewellery.

15/09/2026

Split by Nature, Perfectly Matched 💙💚

An extraordinary split Boulder Opal pair from Queensland, Australia.

Once part of the same opal, these two stones reveal a naturally connected pattern, alive with brilliant electric blues and vivid greens.

A beautiful example of how nature creates something that simply cannot be replicated — two unique pieces, perfectly connected. ✨

30/08/2026

Secret Garden 🌿✨

Two beautiful Australian Black Opals, surrounded by colourful gemstones and sparkling diamonds.

Bold, playful and completely one of a kind. 💚💙

Which one would you choose?

26/08/2026

✨ Pairs, Pairs & More Pairs! ✨

A beautiful selection of solid Australian opal pairs — featuring both Black Opal and Boulder Opal, individually matched for colour, shape and character.

From intense electric blues and greens to vibrant flashes of red and rainbow colour, every pair is completely natural and completely unique. 💎

Perfect for creating one-of-a-kind earrings — whether you love something petite and elegant or bold and statement-making.

🇦🇺 100% Solid Australian Opal
💎 Black Opal & Boulder Opal
✨ No doublets. No triplets.

Which pair would you choose?

OpalEarrings NaturalOpal AustralianGemstones OpalJewellery OneOfAKindJewellery

17/08/2026

An extraordinary gem-grade Australian Black Opal 💚💙✨

Alive with intense electric greens, vivid blues and flashes of golden fire, this exceptional opal is surrounded by a brilliant diamond halo — a statement piece that truly comes alive in the light.

Nature’s artwork, one of a kind.

FineJewellery OpalJewellery

14/08/2026

THE PROCESS → THE RESULT → WORN ✨

From a beautiful pair of Australian Boulder Opals, to sketch, to the finished piece.

Designed around the stones. Made to be worn. 💙💚

29/07/2026

Aurora, captured in opal. ✨

This gem-grade Australian Black Opal glows with electric blues and vivid neon greens, creating a display so breathtaking it almost looks like the Aurora Borealis dancing across the night sky.

Every movement reveals a new flash of colour, making this one-of-a-kind gemstone a true masterpiece of nature.

A rare treasure. No filters. Just nature at its finest.

28/07/2026

Green so bright, it almost glows. 💚

An extraordinary Australian black opal bursting with vivid electric green fire, perfectly framed by brilliant diamonds.

Nature doesn’t make many like this.

✨ Available now.

FineJewellery

22/10/2025

Gem grade Black Opal! 15.54ct, just arrived in store!

Another Gem grade collector Black Opal! 32ct, perfect high dome nobby from Lightning ridge.
02/09/2025

Another Gem grade collector Black Opal! 32ct, perfect high dome nobby from Lightning ridge.

Address

Shop 2. 01, 140 George Street
The Rocks, NSW
2000

Opening Hours

Monday 9:30am - 6pm
Tuesday 9:30am - 6pm
Wednesday 9:30am - 6pm
Thursday 9:30am - 6pm
Friday 9:30am - 6pm
Saturday 9:30am - 6pm
Sunday 9:30am - 6pm

Telephone

+61-2-9252-3770

Website

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