a.collective Winter 2025

O tiumberg (London, UK)

A brand for the modern minimalist, Otiumberg creates demi-fine jewellery designed to layer, last, and love. Founded by sisters Rosanna and Christie Wollenberg, the label uses recycled gold vermeil and conflict- free stones, all wrapped in eco-friendly packaging. Founder Note: “Luxury can be personal, sustainable, and wearable, every day.” otiumberg.com @otiumberg

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