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As a royal fashion expert who has followed Meghan Markle’s style evolution from her Suits days to her life in California, one constant has defined her jewellery choices more than any other – her enduring devotion to Cartier. Long before she entered the royal spotlight, Meghan, 44, treated herself to the Cartier Tank watch while working on Suits, famously saying she hoped to pass it down to a future daughter.

That moment marked the beginning of a love affair with the brand that has only grown over the years. Today, she is rarely seen without Princess Diana’s Cartier Tank Française, which is worth at least £20,000. It has become a deeply significant piece and is one of the most recognisable items in her collection.

Fresh off the debut of her With Love, Meghan holiday special, she appeared in a glittering pair of earrings from the French fashion house – and I have a feeling Prince Harry picked up the bill.

The Duke appeared on the Duchess of Sussex’s Netflix show ‘With Love Meghan’ (Image: Netflix )

These square-cut studs offer a similarly crisp feel to Meghan’s earrings, with a comparable size and sparkle that instantly elevates any look.

Crafted in a white rhodium-plated finish, they deliver a clean, modern shine. They also come in a gold tone version.

The Duchess of Sussex was spotted in a pair of glittering £40,000 emerald cut Cartier earrings (Image: Netflix)

Over the years, Prince Harry has marked key moments in his relationship with Meghan by gifting her jewellery loaded with personal meaning.

He famously designed her engagement ring using diamonds from Princess Diana’s collection, a gesture that instantly bridged the past, present, and their future life together.

He has also passed on treasured pieces from his mother, including the Cartier Love bracelet long associated with the early days of their romance, adding yet another layer of sentiment to Meghan’s Cartier collection.

Meghan Markle stepped out in a £350,000 wardrobe for the holiday special episode (Image: Netflix)

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Meghan’s new £40,000 emerald-cut diamond earrings from the label were impossible to miss – large, architectural stones, catching the light with every turn of her head.

The clean emerald cut is one of Cartier’s most iconic silhouettes, favoured for its icy clarity, making the earrings a perfect match for Meghan’s understated-luxury aesthetic.

Their appearance couldn’t be more timely: two successful seasons of her Netflix lifestyle and cooking series, plus a holiday special. This would give Prince Harry every reason to mark the milestone with a statement gift.

Meghan Markle was joined by a selection of celebrity guests and cooking stars (Image: Netflix)

And with Christmas only weeks away, it’s entirely plausible these glittering showstoppers were an early present from her husband, celebrating both her professional moment and their shared love of meaningful, high-end jewellery.

To me, the earrings also signal Meghan’s full embrace of her high-gloss celebrity persona. They are a bold, camera-ready upgrade that matches the identity she’s shaping on screen.

And from where I’m sitting, that sharp emerald-cut silhouette feels like a calculated move, placing her firmly in the realm of Hollywood power players rather than the royal sphere she left behind.