All posts by Mark Johnson

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

BLACK FRIDAY WEEK Jewellery SALE 2025

Promotions,

Order Black Friday Jewellery for Christmas delivery Welcome to our Black Friday jewellery Sale. Discover Black Friday diamond rings and diamond jewellery for 2025. In addition, take advantage of our exclusive Black Friday special offers. Enjoy a welcome 10% off all lines starting this week.  Finally, browse some of our affordable jewellery stocking fillers. Orders 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

The Average Price of an Engagement Ring in 2025

Engagement Rings
A selection of diamond sizes, showing comparisons from 0.50 carats upto 1 carat in weight.

Update: Serendipity Diamonds estimates the price of an engagement ring in 2025 to be £1500, based on the last 2 years’ sales, with Platinum 1-carat lab-grown diamond rings proving the most popular choice. “We surveyed ring purchases in the £600 to £10,000 price range over the last two years. The average cost of an engagement ring 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

The 585 Gold Stamp – What Does it Mean for Gold Jewellery

Jewellery Advice, , ,
585 Gold stamp

An item of jewellery stamped with the number 585 usually indicates that the piece is made from 14-carat Gold. But what is the significance of the number 585? These digits represent 58.5% gold content within an item of jewellery—consistent with all 14-carat Gold. Similarly, 18-carat gold which contains 75% gold, features a 750 stamp visible 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