What is a 950 Stamp? – PT and PLT 950 Hallmarked Jewellery
Jewellery marked with a 950 stamp indicates the precious metal has a 95% purity. This number relates to both Platinum and Palladium. However, PT 950 or PLT 950 identifies Platinum. The number 950 denotes 950 parts per 1000 parts within the item. In the UK, this purity (or fineness) includes a hallmark once verified by Read the full article…

About Mark Johnson
Mark founded Isle of Wight jewellers Serendipity Diamonds in 2007 after a career on the polished diamonds industry. Today he works in the Serendipity showroom, helping clients with jewellery, creating handmade designs and updating their two jewellery websites SerendipityDiamonds.com and Isle-of-Wight-Jewellery.co.uk