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Business Details
50 Years
experience
Bespoke Diamond & Gemstone Jewellery in London
Established in 1976, David J Thomas has dedicated over three decades to crafting exceptional gemstone and diamond jewellery in platinum and 18ct gold. Our approach combines time-honoured techniques passed through generations with cutting-edge technology to ensure precision and artistry. We collaborate closely with clients to transform their visions into bespoke creations, always mindful of individual budgets. Every piece showcased on our platform is meticulously designed and handcrafted in our London workshop, where we uphold a commitment to sourcing the finest diamonds and coloured stones from global origins.

Our expertise lies in balancing tradition with innovation, ensuring each design reflects both heritage and contemporary excellence. With a focus on client satisfaction, we prioritise transparency, quality, and the personal touch that defines our service. Our London-based team remains dedicated to delivering jewellery that transcends trends, embodying timeless elegance and craftsmanship.
Services
Engagement Rings Wedding Jewellery High Jewellery Diamond Rings Bespoke Designs
Details
  • Year established: 1976
Highlights and features
  • We have over 45 years of expertise in bespoke jewellery design.
  • Our team integrates traditional craftsmanship with modern technological precision.
  • We work within client budgets to realise unique, custom designs.
  • All materials are sourced globally for exceptional quality and rarity.
  • Every piece is handcrafted in our London workshop with meticulous attention to detail.
Services
Engagement Rings
Our engagement rings combine platinum and 18ct gold with ethically sourced diamonds and gemstones. Each design is tailored to client preferences, balancing traditional craftsmanship with modern precision. Clients benefit from collaborative consultations to ensure their vision aligns with their budget.
Wedding Jewellery
We create cohesive wedding jewellery collections, including bands and statement pieces, crafted in platinum and 18ct gold. Designs incorporate matching elements and symbolic details, all produced in our London workshop for enduring quality and elegance.
High Jewellery
Our high jewellery line features intricate, one-of-a-kind creations using rare diamonds and coloured stones. These pieces showcase advanced techniques like micro-pav and halo settings, reflecting both artistic vision and technical mastery for discerning clients.
Diamond Rings
Diamond rings range from classic solitaires to elaborate clusters, all set in platinum or 18ct gold. Each piece highlights the stone's natural brilliance through precise cutting and setting methods developed over decades of expertise.
Bespoke Designs
Bespoke designs begin with client consultations to translate ideas into wearable art. We utilise CAD technology alongside handcrafting to ensure every detail meets exact specifications, from stone selection to final polishing in our London atelier.
Questions
What materials do you use in your jewellery?
We use platinum, 18ct gold, and ethically sourced diamonds and gemstones of exceptional quality.
Can I request a custom design?
Yes, we specialise in bespoke pieces tailored to your preferences and budget.
Where is your workshop located?
Our workshop is based in London, where all pieces are handcrafted.
How long does the design process take?
Timelines vary by complexity but typically range from 4 to 12 weeks.
Do you offer international shipping?
Yes, we ship globally with secure and insured delivery options.