MONACO - 3 Total Carat Lab Diamond Tennis Bracelet Platinum
Compare the selected length, individual stone scale and clasp construction for your wrist fit.
View this designLab Diamond Jewellery
Lab-grown diamond jewellery brings the beauty of diamond to elegant pieces beyond the engagement ring. Explore solitaire pendants, delicate earrings and tennis bracelets in platinum and gold, from understated everyday designs to more prominent stone settings. The individual diamond dimensions, arrangement of accent stones and proportions of each piece create distinctive ways to wear a colourless diamond.
BRIGITTA
Round Lab Diamond 6 Claw Lotus Leaf Pendant 18k Yellow Gold
From £798.60 GBP
AURORA
Round Lab Diamond 950 Platinum Solitaire Pendant
From £1,009.80 GBP
TALULLA
Marquise Lab Diamond 2 Claw Pendant 950 Platinum
From £1,170.40 GBP
TALULLA
Marquise Lab Diamond 2 Claw Pendant 18k Rose Gold
From £1,106.60 GBP
TALULLA
Marquise Lab Diamond 2 Claw Pendant 18k Yellow Gold
From £959.20 GBP
TALULLA
Marquise Lab Diamond 2 Claw Pendant 18k White Gold
From £985.60 GBP
Choosing lab diamond jewellery
Choose the piece before the weight
For earrings, use per-stud dimensions and the pair total. For a pendant, check the full setting and chain inclusion. For a band or bracelet, compare stone coverage and overall fit. The same combined diamond weight can describe very different compositions.
Read the information supplied by design
Check the selected lab diamond and metal specification and ask what quality documentation is provided. Small-stone jewellery and single-centre pieces can use different reporting arrangements. Compare the current complete-piece price alongside construction, fittings and any included chain.
Designs to compare
BRIGITTA - Round Lab Diamond 6 Claw Lotus Leaf Pendant 18k Yellow Gold
Compare the pendant’s full dimensions and bail, then confirm chain inclusion and the length you want.
View this design2026 Award Nominations
Award Winning Jeweller
We’re proud to be recognised consistently by the UK jewellery industry’s leading awards programmes. In 2026, Lily Arkwright has been shortlisted for Branded Boutique of the Year at the Professional Jeweller Awards and Bridal Jewellery Retailer of the Year at the UK Jewellery Awards, reflecting our continued commitment to exceptional customer service, product innovation, and ethical craftsmanship.
These latest nominations build on previous industry recognition, including being shortlisted for Bridal Jewellery Retailer of the Year at the 2025 UK Jewellery Awards and Independent Retailer of the Year at the Professional Jeweller Awards 2025. We were also finalists for Retail Team of the Year at both the Retail Jeweller Awards and Professional Jeweller Awards in 2024, recognising the passion, expertise, and dedication of our team.
We’re honoured to be recognised for helping thousands of couples find the perfect engagement rings and wedding rings, with a strong focus on choice, transparency, and personalisation. As an award-winning jeweller, we remain committed to delivering exceptional service, exceptional craftsmanship, and responsibly sourced lab-grown diamonds, moissanite, and natural diamonds, ensuring every customer can find a ring that perfectly reflects their love story.
We are passionate about supporting good causes that make the world a better place
Giving Back
Social Champions
At Lily Arkwright, Community Matters Lily Arkwright’s roots lie in leafy Didsbury, Manchester. While we have grown into one of the UK’s leading fi...
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Supporting Unicef
This year marks Lily Arkwright's 5th year of supporting Unicef during Black Friday building upon our successful 2019 Unicef Halloween Ball partne...
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Lab Diamond Jewellery FAQs
What matters most when choosing lab-grown diamond jewellery?
Lab-grown diamond jewellery can be beautifully versatile, from understated earrings to a solitaire pendant or stone-set bracelet. We'd start with the type of piece the wearer uses most, then compare stone dimensions and setting style. It's worth checking whether a quoted carat figure refers to one principal diamond or the combined weight of smaller stones, as those figures don't describe the same appearance.
How should I check the size and fit of lab-grown diamond jewellery?
The measurements that matter depend on the piece. With earrings, we'd compare the diameter of each stone and the size of its setting; with a pendant, the chain length is important too. For bracelets, the wrist fit and clasp deserve attention. We'd recommend checking the actual product dimensions rather than assume two items with the same carat weight will appear equally substantial when worn.
How do I look after lab-grown diamond jewellery in regular use?
A lab-grown diamond is hard, but the metal and small settings around it still need care. We'd recommend avoiding unnecessary impacts and checking posts, clasps and claws periodically. A delicate diamond pendant may have different maintenance needs from a bracelet with many linked stone settings. Use a cleaning method suitable for the exact design, and have any loose mountings inspected rather than continuing to wear the piece.
Need help choosing your jewellery?
Our jewellery specialists would be delighted to help you compare designs at our London or Manchester showrooms, or in a virtual consultation.