Business Details
28 Years
experience
Luxury Diamond Engagement Rings in London
The Diamond Ring Company has built a distinguished reputation over decades of dedicated service in London's renowned Hatton Garden. Founded by a skilled craftsman with over 27 years of hands-on experience, our team of expert CAD designers and artisans specialises in creating exquisite diamond jewellery, including engagement rings, wedding bands, and bespoke pieces. Located at the heart of the UK's diamond trade, we offer access to the largest range of GIA-certified diamonds in the UK, ensuring every client handles their chosen stone before purchase.Our commitment to transparency is reflected in our fixed pricing policy and free insured delivery, while our 30-day money-back guarantee provides added confidence. With a focus on ethical practices, we pioneered lab-grown diamond options certified by both GIA and IGI, combining sustainability with luxury. Our relaxed, no-pressure approach has earned over 1,500 five-star reviews, affirming our position as trusted jewellers who prioritise client satisfaction above all.
Services
Engagement Rings
Wedding Bands
Lab-Grown Diamonds
Bespoke Design
Diamond Earrings
Eternity Rings
Pendants
Ring Resizing
Certified Diamonds
Custom Jewellery
Details
- Year established: 1998
Highlights and features
- We offer over 27 years of diamond jewellery craftsmanship in Hatton Garden
- Our diamonds are GIA and IGI certified for quality assurance
- We provide bespoke design services with 3D CAD visualisation
- We guarantee transparent pricing with no hidden fees
- We deliver free insured jewellery across the UK
Associations and certifications
- GIA
- IGI
What people say
Exceptional craftsmanship
Transparent pricing
Stress-free experience
Ethical options
Expert guidance
Services
Lab-Grown Diamond Rings
Our lab-grown diamonds offer identical quality to mined stones with enhanced ethical credentials. Created using advanced CVD or HPHT methods, these diamonds are certified by GIA and IGI. Customers benefit from 30% lower prices compared to natural diamonds while maintaining full transparency through our fixed pricing policy. Each piece includes free UK delivery and a 30-day money-back guarantee.
Bespoke Engagement Rings
Transform your vision into reality with our tailored design service. Using 3D CAD technology, we create precise visualisations before production. Clients receive expert guidance on diamond selection and metal choices, with options for platinum, white gold, or yellow gold settings. The process includes multiple review stages to ensure perfect realisation of your unique design concept.
GIA-Certified Diamonds
We provide access to the UK's largest collection of GIA-certified diamonds, allowing customers to handle stones before purchase. Our inventory includes over 10,000 loose diamonds graded for colour, clarity, and cut. This certification guarantees authenticity and value, supported by our transparent pricing policy and expert consultation services.
Eternity Rings
Our eternity rings feature continuous diamond settings suitable for milestone celebrations. Available in channel, pave, or micro-set styles, these bands complement engagement rings perfectly. We offer both classic white diamond options and coloured gemstone alternatives for custom anniversary pieces.
Diamond Earrings
From classic solitaires to contemporary designs, our diamond earrings collection includes studs, drops, and hoops. All pieces use certified diamonds with matching pairs guaranteed. Customers can choose from various settings and metal types, with options for both everyday wear and special occasion jewellery.
People
Michael OSullivan
Founder
With over 27 years' experience in Hatton Garden, Michael established his own workshop after training as a bench jeweller. He specialises in diamond setting and has created thousands of bespoke pieces, combining traditional craftsmanship with modern design techniques to produce exceptional jewellery.
Questions
What diamond certifications do you provide?
All diamonds come with GIA or IGI certification, guaranteeing quality and authenticity through independent grading.
Can I customise my engagement ring?
Yes, our bespoke service allows full customisation using 3D CAD visualisation and expert design consultation.
Do you offer lab-grown diamond options?
We specialise in lab-grown diamonds certified by GIA and IGI, offering ethical alternatives at 30% lower prices.
What is your return policy?
We provide a 30-day money-back guarantee with no questions asked for complete peace of mind.
How do you ensure pricing transparency?
Our fixed pricing policy shows exactly what you pay with no hidden fees or additional charges at checkout.
Are your diamonds conflict-free?
We guarantee 100% conflict-free diamonds sourced under the Kimberley Process Certification Scheme.
