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Inspired by the city that never sleeps.
Shop the collection

Exclusive to LeGassick Pacific Fair & Runaway Bay

Viewing & fitting available.

Locations

Discover the world's finest lab diamond jewellery...

Gold ring with a large diamond on a lady's hand at LeGassick, Gold Coast, Australia.

R I N G S

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Hand holding a pair of lab diamond stud earrings against a soft background at LeGassick, Gold Coast, Australia.

E A R R I N G S

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Yellow and white gold lab grown diamond tennis bracelets on a woman's wrist at LeGassick, Gold Coast, Australia.

T E N N I S . B R A C E L E T S

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

N E C K L A C E S

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Experience...

The essence of elegance

From dainty classics that are perfect for daily adornment to chic, to trendsetting pieces designed to complement any occasion... our selection blends exquisite craftsmanship with modern sensibility.

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Best sellers...

Lab grown diamond tennis bracelet in white gold on a white background at LeGassick, Gold Coast, Australia.
 
Lab grown diamond tennis bracelet in white gold on a white background at LeGassick, Gold Coast, Australia.
Lab grown diamond tennis bracelet in white gold on a lady's wrist at LeGassick, Gold Coast, Australia.
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Alexis... 8.85 Carat Lab Grown Diamond Tennis Bracelet in White Gold

$7,196.00 $8,995.00
Gold ring with three diamond stones on a white background at LeGassick
 
Gold ring with three diamond stones on a white background at LeGassick
Gold ring with three diamond stones on a white background at LeGassick
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Alicia... 3.5 Carat Lab Grown Diamond Set Trilogy Ring In 18ct Two-Tone

$7,196.00 $8,995.00
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Amber... 1.50 Carat Marquise Bezel Set Lab Grown Diamond Ring
Amber... 1.50 Carat Marquise Bezel Set Lab Grown Diamond Ring
Amber... 1.50 Carat Marquise Bezel Set Lab Grown Diamond Ring
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Amber... 1.50 Carat Marquise Bezel Set Lab Grown Diamond Ring

$4,796.00 $5,995.00
Gold ring with a pear-shaped lab grown diamond on a white background at LeGassick.
 
Gold ring with a pear-shaped lab grown diamond on a white background at LeGassick.
Gold ring with a pear-shaped lab grown diamond on a white background at LeGassick.
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Angelina... 2 Carat Pear Cut Solitaire Lab Grown Diamond Ring

$5,596.00 $6,995.00
Gold ring with a large lab grown emerald cut diamond on a white background at LeGassick, Gold Coast, Australia.
 
Gold ring with a large lab grown emerald cut diamond on a white background at LeGassick, Gold Coast, Australia.
Gold ring with a large lab grown emerald cut diamond on a white background at LeGassick, Gold Coast, Australia.
Save up to 20%

Audrey... Emerald Cut Solitaire Lab Grown Diamond Ring

From $4,796.00 $5,995.00
Yellow gold lab grown diamond tennis bracelet on a white background at LeGassick, Gold Coast, Australia.
 
Yellow gold lab grown diamond tennis bracelet on a white background at LeGassick, Gold Coast, Australia.
Yellow gold lab grown diamond tennis bracelet on a woman's wrist at LeGassick, Gold Coast, Australia.
Yellow and white gold lab grown diamond tennis bracelets on a white background at LeGassick, Gold Coast, Australia.
Save up to 20%

Carrie... 5.40 Carat Lab Grown Diamond Tennis Bracelet In Yellow Gold

$5,436.00 $6,795.00
Gold stud earrings with clear lab grown diamonds on a white background at LeGassick, Gold Coast, Australia.
 
Gold stud earrings with clear lab grown diamonds on a white background at LeGassick, Gold Coast, Australia.
Hand holding a pair of lab diamond stud earrings against a soft background at LeGassick, Gold Coast, Australia.
Gold stud earrings with clear lab grown diamonds on a white background at LeGassick, Gold Coast, Australia.
Save up to 20%

Charlotte... 4 Claw Lab Grown Diamond Stud Earrings In Yellow Gold

From $2,076.00 $2,595.00
Gold ring with a large lab diamond on a white background at LeGassick.
 
Gold ring with a large lab diamond on a white background at LeGassick.
Gold ring with a large lab diamond on a white background at LeGassick.
Save up to 20%

Chloe... Radiant Cut Lab Grown Diamond Ring

From $4,796.00 $5,995.00

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Save 20% off store wide

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The Brooklyn Bridge at night, New York City.

New York State Of Mind

Learn the inspiration and passion for the collection.

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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.