About Hallmark International

Hallmark International is an independent and privately owned family business (Est. 1988) We have two branches. One in Greenwich, London and one in Cape Town, South Africa.

We are a family of goldsmiths and hand engravers. Our speciality is hand-engraved family crest signet rings.

With over 35 years of experience, we have received numerous Goldsmith awards. Our experience includes Hatton Garden and Mayfair in London, as well as the Victoria and Alfred Waterfront in South Africa.

Our designs include family crest signet rings and bespoke crested jewellery. We also create silver and gold cufflinks, hallmarked silver plaques, custom-made torque bangles and money clips. In addition, we hand-engrave wedding rings and create antique scrollwork on solitaire diamond rings in gold and platinum.

Our gold and silver hand engraving services are delivered to a very high standard. Gary Callaghan is one of the world’s most qualified and finest hand engravers. You can visit Gary Callaghan on LinkedIn.

Gary has won Goldsmiths Craft Council awards on numerous occasions. His training included 15 years with R.H. Wilkins and Asprey of Bond Street, London, from 1977 to 1992.

For corporate enquiries and special orders, we also offer laser engraving on request. We use advanced British laser-cutting technology for this service.

All prices on this website include VAT.