The Australian Opal & Diamond Collection
The colour of Australia
Natural Australian opal jewellery — designed and made in Adelaide for over 40 years.
Explore the collection
Worn by royalty
Designed for a princess
The Australian Opal and Diamond Collection has had the honour of designing and creating bespoke opal jewellery for Denmark's Crown Princess Mary.
The opals
New — doublet opal rings
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10K White Gold Doublet Opal Ring 2.95CT
通常価格 $1,818.00通常価格単価 / あたりセール価格 $1,818.00 -
10K Yellow Gold Doublet Opal Ring 2.45CT
通常価格 $1,927.00通常価格単価 / あたりセール価格 $1,927.00 -
10K White Gold Doublet Opal Ring 3.00CT
通常価格 $1,999.00通常価格単価 / あたりセール価格 $1,999.00 -
10K Yellow Gold Doublet Opal Ring 2.00CT
通常価格 $1,999.00通常価格単価 / あたりセール価格 $1,999.00 -
10K White Gold Doublet Opal Ring 2.40CT
通常価格 $2,072.00通常価格単価 / あたりセール価格 $2,072.00 -
10K White Gold Doublet Opal Ring 3.10CT
通常価格 $2,145.00通常価格単価 / あたりセール価格 $2,145.00 -
10K White Gold Doublet Opal Ring 3.30CT
通常価格 $2,177.00通常価格単価 / あたりセール価格 $2,177.00 -
10K White Gold Doublet Opal Ring 3.70CT
通常価格 $2,177.00通常価格単価 / あたりセール価格 $2,177.00
Bespoke
Opal engagement rings
A ring that exists nowhere else in the world — designed with you around a natural Australian opal, and made to be worn for life.
Black opal — the signature
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9Kt イエローゴールド ブラックオパール リング 2.67Ct
通常価格 $11,267.00通常価格単価 / あたりセール価格 $11,267.00 -
18K イエローゴールド ブラックオパール リング 1.45CT
通常価格 $3,598.00通常価格単価 / あたりセール価格 $3,598.00 -
18K イエロー ブラック オパール リング 1.74CT
通常価格 $15,991.00通常価格単価 / あたりセール価格 $15,991.00 -
18K ホワイト ゴールド ブラック オパール ダイヤモンド リング 1.29CT
通常価格 $5,299.00通常価格単価 / あたりセール価格 $5,299.00
Adelaide
Diamond jewellery
Bespoke diamond jewellery, designed and crafted for you — engagement rings, pendants and earrings alongside the opals we're known for.
The house
Family owned for over 30 years
Our passion for opal gemstones has driven AODC's commitment to crafting exquisite, high-quality Australian opal jewellery — including rare black opals from Lightning Ridge, New South Wales, alongside crystal, boulder and milky opals. Every piece is chosen or made with the care of a family business.
The AODC guarantee
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Certificate of authenticity
Every piece is accompanied by our certificate of authenticity.
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Natural Australian opals
Genuine, natural stones — black, boulder, crystal and milky opal.
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Fully insured delivery
Complimentary tracked and insured delivery, Australia-wide.
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Adelaide showroom
See the colour in person at 14 King William Street, Adelaide.
By appointment or walk in
Visit our Adelaide showroom
14 King William Street, Adelaide
Monday to Friday 9:30am – 5:30pm · Saturday 10am – 4pm







