Handcrafted for beauty, brilliance, and lasting memories.
Discover Our Jewellery Collections
Elegant designs for everyday or evening wear.
Explore Our Moissanite Tennis Bracelet Collection
Crafted with Purpose
Our fine jewellery collection embodies the same standards as our engagement rings — exceptional quality, transparency, and care.
Every item is made-to-order using your choice of lab-grown diamonds or moissanite, available in 14k and 18k white, yellow, or rose gold, or platinum.
We don’t believe in fast fashion or pre-made stock.
Each piece is individually crafted to perfection, ensuring it lasts for generations.
Why Diamond Lab
Fine Jewellery with Purpose and Precision
Every detail matters — from stone to setting.
Ethically Sourced Stones
Our lab-grown diamonds and moissanite offer unmatched brilliance—without environmental cost.
Crafted in Australia
All jewellery is designed and set locally with expert care.
Perfect for Gifting
From milestone moments to “just because.”
Ethical Stones, Certified Quality
We work exclusively with lab-grown diamonds certified by IGI or GIA, and D/VVS1 moissanite — both offering the same fire and brilliance as mined diamonds, without the environmental or ethical cost.
Every fine jewellery piece includes a Certificate of Authenticity and Lifetime Warranty, affirming its origin, quality, and craftsmanship.
Learn more on our Certificates & Authenticity page.
Design and Personalisation
Make It Yours
Custom sizing, stone selection, and engraving options available on most pieces.
- Custom wrist sizing for bracelets
- Optional engraving for select pendants
- Match with your engagement ring or wedding set
- Speak to our gemologist for gifting advice
Designed for Versatility
Our fine jewellery is created to complement your everyday wardrobe as much as your most meaningful occasions.
From minimal line bracelets to halo pendants and studs, Diamond Lab designs are made to shine for decades — not just seasons.
Each piece is carefully balanced for comfort, wearability, and lasting strength.
Whether worn alone or layered, your jewellery will retain its elegance through every moment of life.
Sustainable Luxury
Sustainability isn’t a trend for us — it’s the foundation of everything we do.
All our metals are refined responsibly, and each piece is handcrafted in small production runs to reduce waste.
By choosing Diamond Lab, you support local Australian artisans and global ethical practices.
Learn more about our Sustainability & Ethics commitment.
Explore care tips, style guides, and expert recommendations.
Learn More About Fine Jewellery
Fine Jewellery FAQs
Are your tennis bracelets adjustable?
We offer custom sizing to ensure a perfect fit. Simply add your wrist size at checkout or speak to our team before ordering.
What stones do you use in your jewellery?
All our jewellery is set with either lab-grown diamonds or D/VVS1 moissanite — both are ethical and brilliant alternatives to mined stones.
Is your jewellery suitable for everyday wear?
Yes. Our pieces are designed for durability and comfort while still offering luxury aesthetics.
Do you offer gift packaging?
Every order comes beautifully packaged, perfect for gifting. You can also add a personal note at checkout.
How long does shipping take?
In-stock items ship within 2–3 business days. Custom or made-to-order pieces may take 3–5 weeks. Express and insured shipping available Australia-wide.
What people
are saying
Sarah M.“The moissanite tennis bracelet I ordered sparkles like nothing else I own. The quality blew me away.”
Emily R.“I got my sister a lab diamond pendant for her 30th – she cried when she opened it. Beautiful packaging too.”
Lana P.“The earrings match my engagement ring perfectly. So glad I found Diamond Lab.”
Ready to Gift or Indulge?
Start Your Jewellery Journey
Whether it’s for you or someone you love, we’ll help you choose the perfect piece.