By city
London 9Manchester 4Glasgow 4Brighton 2Bristol 2Leeds 2Birmingham 2Belfast 2Newcastle upon Tyne 2Leicester 1Nottingham 1Edinburgh 1Northampton 1Preston 1Milton Keynes 1Swansea 1
| Name | Category | Address | City | Opening times |
|---|---|---|---|---|
| Lanes & Co Jewellers, Sell your Gold, Sell your diamonds | Jeweller | 16 Shakespeare St | Newcastle upon Tyne | Thu 09:00–17:00 |
| Novita Lab Grown Diamonds London | Diamond dealer | Suite 59-63, New House, 67-68 Hatton Garden | London | Mon–Sat 10:00–18:00 |
| Novita Lab Grown Diamonds Manchester | Diamond dealer | Office 2.2, Bridgeworks, 67 Bridge St | Manchester | Mon–Sat 10:00–18:00 |
| Stephen Hughes Fine Diamonds | Jewellery store | Unit 5, Queens Arcade, The Quadrant | Swansea | Thu 09:00–17:30 |
| White Pine Diamonds | Diamond dealer | Modern, 212 JQ, 120 Vyse St | Birmingham | Tue 09:00–17:30 |
| Doltons Working Jewellers Ltd | Jewellery repair service | 37 New Briggate | Leeds | — |