Lab-Grown Diamonds. Same Brilliance. Up to 60% Less.
Same Certified Quality Lower Prices Since 2022 - No Fancy Adds, No Retail Space, No Assistants.
Treat Your Self Or A Loved One With Australia's Largest Ranges Of Ethical Fine Jewellery
Australia’s Home of Coloured Lab-Grown Diamonds
Select From Our Certified Loose Diamonds As A Start for Custom Jewellery, Or Enjoy Our Pre Selected Complete Jewellery Pieces
Why Buy Coloured Lab Diamonds From Idem Diamonds?
- 💎 Specialising in coloured lab-grown diamonds
- Australian-based, made to order
- 💰 Up to 70% less than mined diamonds
- 🛠 Custom jewellery design available
- 💳 Afterpay available
Engagement Rings
Build your dream ring by choosing your ideal setting and diamond with our Ring Builder, perfecting every detail until it’s everything you imagined.
Or indulge in our hand-selected collection of world-class designs, sourced from the finest ateliers across the globe.
Cable Chain 1.5mm Bracelet
- Regular Price
- from $49.00
- Sale Price
- from $49.00
- Regular Price
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$329.00
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Beaded Curb Chain
- Regular Price
- from $89.00
- Sale Price
- from $89.00
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Curb Chain Bracelet
- Regular Price
- from $99.00
- Sale Price
- from $99.00
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Gold Endless Tube Hoop Earring
- Regular Price
- from $125.00
- Sale Price
- from $125.00
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Gold Filled Curb Chain - 2.25mm wide
- Regular Price
- from $149.00
- Sale Price
- from $149.00
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Our Cause for Paws 7" Bracelet
- Regular Price
- from $149.00
- Sale Price
- from $149.00
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Gold Endless Tube Earrings
- Regular Price
- from $180.00
- Sale Price
- from $180.00
- Regular Price
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$2,299.00
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Paperclip Chain - 2.25mm Wide
- Regular Price
- from $199.00
- Sale Price
- from $199.00
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Stacking Rings #85016
- Regular Price
- from $229.00
- Sale Price
- from $229.00
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Ruby Bezel Set Cable Chain Bracelet
- Regular Price
- from $239.00
- Sale Price
- from $239.00
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Gold 2.25 mm Imitation Cubic Zirconia Heart Earrings
- Regular Price
- $240.00
- Sale Price
- $240.00
- Regular Price
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$299.00
- Unit Price
- per
Sterling Silver White CZ Bangle
- Regular Price
- $269.00
- Sale Price
- $269.00
- Regular Price
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$329.00
- Unit Price
- per
Puffed Oval Cable Chain
- Regular Price
- from $280.00
- Sale Price
- from $280.00
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Stacking Rings #85012
- Regular Price
- from $329.00
- Sale Price
- from $329.00
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Stacking Rings #84985
- Regular Price
- from $379.00
- Sale Price
- from $379.00
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Infinity Ring
- Regular Price
- $389.00
- Sale Price
- $389.00
- Regular Price
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$413.10
- Unit Price
- per
Stacking Rings #84987
- Regular Price
- from $399.00
- Sale Price
- from $399.00
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Infinity Earring
- Regular Price
- $413.10
- Sale Price
- $413.10
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The idem Advantage
Real Diamonds
IDEM, from the Latin meaning "same," reflects the identical nature of lab-grown and natural diamonds. Graded by the same 4 Cs, lab-grown diamonds offer a sustainable, affordable alternative without compromising quality or beauty.
Great Value
Lab-grown diamonds provide exceptional value, costing up to 70% less than mined diamonds due to lower production costs, a streamlined supply chain, and a competitive market.
Latest Range
By avoiding stockpiling, we offer the latest on-trend designs without delays. Keep checking back for new arrivals!
What Our Customers Say
"Absolutely stunning! The diamond I received is of exceptional quality and radiates brilliance. Thank you for making this a memorable purchase."
- Sophia Carter
"The craftsmanship is flawless, and the clarity of the diamond is breathtaking. A truly remarkable experience!"
- Liam Anderson
"I couldn't be happier with my purchase. The diamond sparkles beautifully and exceeded all my expectations."
- Olivia Martin
"From selecting the diamond to delivery, the process was seamless. The quality speaks for itself. Highly recommend!"
- Ethan Brown
"The diamond ring is simply perfect. Thank you for creating a masterpiece that I will cherish forever."
- Emily Davis
"Outstanding customer service and an exquisite diamond! The attention to detail is truly impressive."
- Noah Wilson