77 Diamonds London

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77 Diamonds London

One-to-One Design Consultations

Located in the heart of Mayfair, London, we are a luxury jeweller with a simple aim: To bring simplicity, clarity, choice and value to the diamond engagement ring and jewellery buying process. With unrivalled, direct access to over 80% of the world's finest polished diamonds, we deliver delicately crafted, high quality engagement, eternity and wedding rings as well as earrings, bracelets and necklace - taking design inspiration from a variety of genres from modern through to classic and vintage. Our passion for diamonds and jewellery spans more than 20 years, drawing on a heritage going back four generations.

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Addess:
3 Hanover Square, 2nd Floor
London, W1S 1HD UK

About Us

Begin your journey to extraordinary jewelry at our London Mayfair boutique, where personalized service meets exquisite craftsmanship. Our expert team provides one-to-one consultations to help you create the perfect design, whether you're selecting an engagement ring, commissioning a bespoke piece, or exploring our curated collection. Book a private appointment to view your favorite diamonds, gemstones, and fine jewelry up close in an intimate, luxurious setting where your vision comes to life.


Key Services in 2025

https://www.77diamonds.com/showroom/mayfair
  • One-to-One Design Consultations
  • Custom Jewelry Design
  • Diamond Selection & Viewing
  • Gemstone Selection & Sourcing
  • Engagement Ring Design
  • Private Jewelry Viewing Appointments
  • Bespoke Fine Jewelry Creation