Welcome to G.F. Williams & Co.

Gemstone Specialist in Hatton Garden

G.F. Williams is a dedicated gemstone wholesaler supplying high quality coloured gemstones, diamonds and pearls.

A second generation family business  that has traded successfully for over 50 years, G.F. Williams offers a professional and reliable service, tailored to providing the perfect gemstones to meet our customers’ exacting requirements.

G.F. Williams’ team of qualified gemologists provide unparalleled gemstone knowledge and expertise to our clients, who range from international brand name jewellers, jewellery designers and students, to collectors and individuals looking to create a bespoke piece of jewellery.

We offer an extensive and varied range of high quality loose gemstones, sourced from across the globe, which can be viewed at our online catalogue and are available from stock in a variety of cuts and carat weights.

Contact our friendly team today  about how we can fulfil your gemstone requirements.

"Collected by a delighted customer this morning. Beautiful Emerald supplied by G.F.Williams – lovely piece"

Jonathan Lambert

"Dear GFW, thank you for my re-finished Opal ring which arrived this morning and the wonderful job about selling oris replica you have made of it. I enclose a cheque with thanks."

Mr S – Yorkshire

"Hi Jason, the ring looks so much better with the new stones and fits perfectly - thank you for all your help and prompt delivery."

Mrs B - London

Click here to read more testimonials from our happy customers