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Lab grown diamond necklaces

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The Complimentary Carat

8 Styles | 1 - 5ct | Free Upgrade

Upgrade Collection

Gold necklace with a pear-shaped lab grown diamond pendant on a white background, at LeGassick, Gold Coast, Australia.

Gold chain with clasp on a white background

Lana… 0.30ct Lab Grown Diamond Pear Pendant With 9ct Gold Chain

$1,495.00

Gold necklace with a lab grown diamond pendant on a white background

Gold necklace with a square lab grown diamond pendant on a person's neck

Natalie... Bezel Set Radiant Cut Lab Grown Diamond Pendant

$3,995.00

Gold necklace with a lab grown diamond pendant worn by a person against a neutral background

Coco... Four Claw Lab Grown Diamond Solitaire Pendant

From $1,995.00

Viola… Round Brilliant Cut Lab Grown Diamond Bezel Set Pendant

$1,495.00

Lab grown diamond collier necklace on a white background at LeGassick.

Close-up of a lab diamond collier necklace on a person's neck at LeGassick.

Scarlett... 10 Carat Lab Grown Diamond Collier

From $12,995.00

Gold necklace with a lab grown diamond pendant on a white background at LeGassick, Gold Coast, Australia.

Lucy… 0.25ct Oval Lab Grown Diamond Pendant With 9ct Gold Chain

$1,495.00

Certified diamonds

Every diamond is independently certified for quality and authenticity, giving you confidence and peace of mind with every purchase.

Free insured delivery

Enjoy peace of mind with complimentary, fully insured delivery on every Madison Collection purchase... safe, secure, and delivered right to your door.

Rigid quality standards

From hand-selected gemstones to expert craftsmanship, we uphold the highest standards to ensure enduring beauty and exceptional value in every piece.

Here to help

Our friendly and knowledgeable team is here to guide you every step of the way… offering expert advice, personalised service, and genuine care.

The Madison Collection

Luxury Lab Grown Diamond Jewellery in Australia

The Madison Collection offers luxury lab grown diamond jewellery designed with timeless elegance and modern sophistication. Explore diamond rings, earrings, necklaces and tennis bracelets featuring the world’s whitest lab grown diamonds. Inspired by the style and glamour of New York City, our collections are crafted to celebrate life’s special moments with exceptional beauty and craftsmanship. Shop luxury lab diamond jewellery online in Australia with fast delivery and exclusive contemporary designs.