Visit & Contact the Cosmima Collective

The Cosmima Collective invites you to experience exceptional jewellery at our private London selling exhibition.

Visit Our London Exhibition

Our exclusive salon is located in the heart of Mayfair, London. We host appointment-only viewings to ensure a personal, immersive exploration of our collections from esteemed brands such as Dower & Hall and Boodles, all curated with the drama of casino floor fashion in mind.

Location & Appointment Details

Access our prestigious Mayfair location by prior arrangement. This private approach allows us to tailor your visit to your specific interests in luxury casino jewellery and high-roller diamond pieces.

Viewing the Collection

During your appointment, discover a meticulously selected range, from statement pieces inspired by high-stakes glamour to exquisite diamond creations, offering a distinct alternative to traditional luxury retailers like Harrods.

Contact the Collective

For all enquiries, our dedicated team is your direct line to the collection. Specialising in high-roller diamond and luxury casino jewellery, we facilitate both viewings and bespoke consultations.

Enquire Online

Please use our website enquiry form for initial contact. Our team aims to respond to all queries within 48 hours. You can also email us directly at [email protected].

Bespoke Consultations

Share your vision for a custom creation. Our experts will guide you through crafting a unique piece that reflects the bold spirit of casino floor fashion.

As a UK-focused collective, we provide an exclusive opportunity to acquire distinctive, high-calibre jewellery directly from our curated exhibition. We welcome your interest and any tips or corrections to better serve your needs.