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Products and Services

S. Weissbart are proud to be suppliers of fine diamonds to the trade. We carry a wide variety of stones in stock, and can normally turn around orders very quickly.

We pride ourselves on offering a comprehensive range of goods at very competitive prices

For any requirements not met by stones currently in stock, we are delighted to source these upon request.

Wide range of sizes
We specialise in stones in a range of sizes from half point to over a carat, and offer a wide selection of goods in this category. We also carry a small stock of larger goods.

Quality - from the practical to the exceptional
Our stock includes a wide variety of stones of different clarity and colour, ranging from the very best quality to more "commercial" stones.

Certificated stones
We hold a large selection of GIA certificated diamonds from half a carat and upwards.

GIA Logo
GIA CertificateFor an up-to-date list of all our certificated diamonds please contact us and we shall be happy to send it to you.

Upon request we can arrange for non-certificated diamonds to be graded by a local laboratory.


As well as round brilliants, we are delighted to offer a wide choice of fancy cuts, including emerald, princess, pear, oval, heart, trillion, baguette and marquise.

For use in settings such as channel set rings, we offer both princess cuts and baguettes in calibrated sizes, upon request.

We also stock a selection of Old Cuts, including Edwardian and Victorian, for use in reproduction or repair work.

Jobbing service
We are delighted to receive pieces requiring one or more replacement stones, and will return the pieces along with suitable gems of the correct quality and weight.

S Weissbart are amongst the last diamond merchants in the UK to have skilled diamond polishers on the premises, whose services are available on request.

If you have any requirements not covered above, please contact us to see if we can meet your needs - we can usually source and supply any special requests quickly and at a competitive price.