Princess Diana owned this romantic trinity ring and so can you

(Image credit: 1981 Anwar Hussein)

Princess Diana - and the whole royal family - have a solid relationship with iconic French jewellery brand Cartier.

Meghan Markle owns the same Cartier watch as Princess Diana did, while Prince William got this timepiece for Kate for their anniversary, and it's rumoured Prince Harry and Meghan wear these matching love bracelets.

But long before her sons and daughters-in-law, Princess Diana owned a gorgeous piece of Cartier jewellery.

She was first pictured wearing the house's famous trinity ring in the early 80s, so it's believed she actually owned it before she met Prince William. You can see it on her right pink finger in the picture above.

- £830 at Selfridges

CARTIER Trinity 18ct white-gold, 18ct yellow-gold and 18ct rose-gold ring - £830 at Selfridges
Three rings, three golds, one icon. Conceived by Louis Cartier in 1924, the Trinity collection is one of the Maison’s signature pieces of jewellery. The three interlaced and mobile bands, open for interpretation by the wearer, are the timeless inspiration behind an iconic collection.

In fact, Lady Di often combined it with her family's signet ring, showing how sentimental this piece of jewellery was to her, perhaps a tribute to her roots before she joined a whole new family.

Created by Louis Cartier in 1924, they are meant to be 'interpreted by the wearer', so it is personal to each person who owns it. The bands are often associated with loved ones.

You can still buy the trinity ring as it's one of Cartier's best-selling pieces, for the princely (sorry) sum of £890. It is made of three interlinking bands, each a different metal: 18ct white-gold, 18ct yellow-gold and 18ct rose-gold ring.

One ring is stamped with the Cartier logo, and it comes in the signature red box.

Penny Goldstone

Penny Goldstone is the Digital Fashion Editor at Marie Claire, covering everything from catwalk trends to royal fashion and the latest high street and Instagram must-haves.

Penny grew up in France and studied languages and law at the Sorbonne Nouvelle University in Paris before moving to the UK for her MA in multimedia journalism at Bournemouth University. She moved to the UK permanently and has never looked back (though she does go back regularly to stock up on cheese and wine).

Although she's always loved fashion - she used to create scrapbooks of her favourite trends and looks, including Sienna Miller and Kate Moss' boho phase - her first job was at, sourcing the best deals for everything from restaurants to designer sales.

However she quit after two years to follow her true passion, fashion journalism, and after many years of internships and freelance stints at magazines including Red, Cosmopolitan, Stylist and Good Housekeeping, landed her dream job as the Digital Fashion Editor at Marie Claire UK.

Her favourite part of the job is discovering new brands and meeting designers, and travelling the world to attend events and fashion shows. Seeing her first Chanel runway IRL at Paris Fashion Week was a true pinch-me moment.