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Business Details
Premium Diamond & Gemstone Jewelry in London
A G & Sons is a family-run business with a legacy of crafting fine diamond and gemstone jewelry across the UK, Canada, and India. Established with a commitment to unique designs and affordability, we combine traditional craftsmanship with modern technology to deliver bespoke pieces tailored to individual tastes. Our manufacturing expertise spans decades, ensuring every product meets rigorous quality standards while offering exceptional value. We specialize in ethically sourced diamonds and gemstones, including lab-grown options, and provide personalized CAD design services for custom creations. With a 4.95-star rating based on 22 reviews, our reputation is built on customer-centric service, transparent communication, and a dedication to exceeding expectations.

Our team of skilled artisans and designers works closely with clients to transform ideas into timeless jewelry, supported by a 30-day return policy and a one-year warranty. By maintaining manufacturing facilities in both India and the UK, we ensure swift delivery of both ready-made and bespoke items, catering to diverse style preferences from classic solitaires to contemporary statement pieces.
Services
Engagement Rings Earrings Necklaces Bracelets Bespoke Design
Highlights and features
  • We offer bespoke jewelry design services with CAD customization
  • Our ethically sourced diamonds and gemstones meet strict quality standards
  • 30-day returns policy ensures customer satisfaction
  • Manufacturing facilities in the UK and India enable fast delivery
  • 4.95-star rating based on 22 Trustpilot reviews
What people say
Absolutely beautiful Excellent quality Prompt delivery Fantastic experience Highly recommended
Services
Bespoke Jewelry Design
Our bespoke service transforms your ideas into unique jewelry pieces using CAD technology and traditional craftsmanship. Clients receive 3D design previews before production begins. We offer full customization for rings, necklaces, bracelets, and earrings using platinum, gold, silver, and precious gemstones. Each creation undergoes strict quality control and UK hallmarking before delivery.
Lab-Grown Gemstone Jewelry
We specialize in lab-grown diamonds and gemstones, offering sustainable alternatives to natural stones. Our collection includes engagement rings, earrings, and bracelets featuring ethically produced rubies, sapphires, and emeralds. These stones maintain identical optical properties to mined gems while being more cost-effective and environmentally friendly.
Diamond Engagement Rings
Our engagement ring collection features classic solitaires, three-stone designs, and halo settings in various metals. We offer both ready-made options and customizable designs to suit different budgets. All rings use conflict-free diamonds and come with certification options for added assurance.
Gemstone Necklaces
From delicate pendants to bold statement pieces, our necklaces showcase sapphires, emeralds, and rubies in cluster, halo, and solitaire settings. We offer both fixed designs and custom options, with chain lengths and metal types tailored to individual preferences.
Jewelry Repair Services
We provide resizing, cleaning, and repair services for all purchased jewelry. Our team handles adjustments for rings, necklace clasps, and earring fittings with minimal turnaround time. Customers receive complimentary resizing within 30 days of purchase.
Questions
Do you offer custom jewelry design services?
Yes, our bespoke service allows complete customization of rings, necklaces, and bracelets using CAD technology and traditional craftsmanship.
Are your diamonds ethically sourced?
We offer both ethically mined diamonds and lab-grown alternatives with full transparency about their origins.
What is your return policy?
We provide 30 days from delivery date for returns on non-bespoke items in original condition.
Do you provide jewelry warranties?
All purchases include a one-year warranty covering manufacturing defects and structural issues.
How long does delivery take?
Standard delivery takes 2-3 weeks, with express options available for urgent orders.
Can I see products before purchasing?
We provide detailed product videos and 3D CAD previews for all custom designs before production begins.