Business Details
50+ Years
experience
Your Trusted Diamond Jewellers in Birmingham & London
Marlow's Diamonds has been a trusted name in the jewellery industry since 1951, offering exceptional diamond jewellery and expert guidance to customers in Birmingham, London, and beyond. Our family-owned business combines over seven decades of experience with a commitment to quality, providing GIA-certified diamonds and bespoke services tailored to individual preferences. With a team of skilled professionals and an in-house workshop, we ensure every piece of jewellery meets the highest standards of craftsmanship and customer satisfaction. Our dedication to transparency, ethical sourcing, and competitive pricing has earned us a reputation as one of the UK's most reliable jewellers, serving thousands of satisfied clients annually. 
Services
Engagement Rings
Wedding Bands
Lab-Grown Diamonds
Bespoke Jewellery
Diamond Certification
Eternity Rings
Diamond Earrings
Necklaces & Pendants
Watch Repairs
Valuation Services
Details
- Year established: 1951
Highlights and features
- We offer over 70 years of expertise in diamond jewellery craftsmanship
- Our diamonds are independently certified by GIA and IGI for guaranteed quality
- We guarantee to beat competitors' prices by 10% through our WhatsApp service
- Our in-house workshop enables same-day customisation of jewellery pieces
- We provide expert guidance from diamond specialists with 150+ years combined experience
Associations and certifications
- GIA
- IGI
What people say
Clean and well-presented shop
Superb customer service
Stunning pair of earrings
Amazing customer service
Friendly staff
Services
Engagement Rings
Our engagement rings feature GIA-certified diamonds in various cuts including round, princess, and emerald. Each ring combines traditional craftsmanship with modern design, offering solitaire, halo, and trilogy settings. Customers benefit from expert guidance to select the perfect symbol of commitment, with options ranging from classic to contemporary styles.
Lab-Grown Diamonds
We provide ethically produced lab-grown diamonds with identical properties to mined stones. These sustainable options undergo IGI certification and come with detailed reports. Our collection includes various carat sizes and specifications, offering significant cost savings while maintaining exceptional quality and environmental responsibility.
Wedding Bands
Our wedding bands include plain and diamond-set designs in multiple metals. The collection features classic court shapes, modern channel settings, and bespoke options. Each band is crafted to complement engagement rings while ensuring comfort and durability for everyday wear, with resizing services available.
Bespoke Jewellery
Our bespoke service allows creation of unique jewellery pieces tailored to individual preferences. Customers can select diamond shapes, metal types, and setting styles with guidance from our experts. The process includes design consultation, CAD visualisation, and in-house manufacturing for one-of-a-kind creations.
Diamond Certification
We offer GIA and IGI certification for all diamonds, ensuring verified quality through independent grading. This process evaluates the 4Cs (cut, colour, clarity, carat) with laser inscription for authenticity. Certified diamonds provide customers with complete transparency and confidence in their purchase.
People
Jo
Customer Service Specialist
Jo provides expert assistance with diamond selection and jewellery purchases, combining extensive product knowledge with personalised service to ensure customer satisfaction.
Questions
Are lab-grown diamonds certified?
Yes, our lab-grown diamonds come with IGI certification and laser inscription for quality verification.
Can engagement rings be resized?
Most rings can be resized by our expert jewellers, depending on design and metal type.
Do you offer international shipping?
Yes, we provide secure international shipping for all jewellery purchases.
What is the 4Cs diamond grading system?
The 4Cs evaluate cut, colour, clarity, and carat weight to determine diamond quality and value.
Can I customise a ring design?
Yes, our bespoke service allows customisation of metal, diamond shape, and setting style.
What payment methods are accepted?
We accept Visa, Mastercard, American Express, and offer financing options for purchases.
