Trade

We understand Gemstones. Our specialised services to the trade have always been the engine that drives our business, and we are keen to work with fellow jewellers and the public to sustain high standards within the UK jewellery industry. At Holts, we offer a wide range of services, as listed below, and are happy to advise you in every respect.

Calibrated Gemstones

At Holts we stock a large range of calibrated precious and semi-precious gemstones, including Diamonds, Emeralds, Rubies and Sapphires and also the more unusual gemstones aswell. The availability and price can be confirmed by contacting our sales floor on 0207 405 5286.

Lapidary - Cutting and Polishing 

At Holts we have an in-house Lapidary department which caters for all designs from a simple Cabochons to complex carvings. 

Bead stringing

Holts is renowned for its stringing service. It can include creating a completely new necklace using a strand of gemstones and clasp of your choice from our showroom or restringing inherited pearl necklaces.

Gemstone Testing

For gemstone testing our qualified Gemmologists will provide you with a certificate stating the type and variety of gem material and will also list all the physical characteristics of the piece such as weight and measurements.

We Buy 

We will always view loose and mounted gemstone jewellery at our showroom. No appointment necessary.