Hartenstein Diamonds

Our Collections

Three distinct jewellery lines — each rooted in a tradition of fine craftsmanship and a place that shaped us.

H-STUDIO

Your initials. Made monumental.

Chains, omega necklaces, solitaire pendants, letters, symbols and horoscope charms. Diamonds made to be worn every single day.

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Vienna Heritage

Cultured diamond jewellery inspired by Vienna's elegance, architecture and restraint. Design-led pieces created with presence, proportion and quiet drama.

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Antwerp Origin

Timeless lab-grown diamond classics crafted on demand in Antwerp. Engagement rings, eternity bands and diamond essentials shaped by precision and expertise.

Coming Soon