I didn’t know that LifeGem was based in Hove.
“A LifeGem is a certified, high quality diamond created from the carbon of your loved one as a memorial to their unique and wonderful life.”

BBC: Jewels made from father’s ashes
Synthetic diamonds made by a Sussex company from the ashes of a British man are to be set into jewellery so they can be worn by his family.

Hove is part of Brighton & Hove City Council. Its a bit more sedate than Brighton but also boasts some top-notch restaurants and sea-views, while being in walking distance to Brighton.