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 GB
Email:
sevendiamonds@burst-email.com
Phone:
+44 20 3540 1477

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