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The 10 most valuable royal engagement rings

Royal engagement rings receive a lot of attention and have set a number of beautiful design trends over the years, but which one is your favourite?

From Kate Middleton’s iconic 12ct sapphire ring inherited from Princess Diana to Meghan Markle’s three stone diamond engagement ring, the Steven Stone team have rounded up everything you need to know about the royal sparklers – including the clarity, cut, and carat of the stones to the style and setting of each ring.

1. Catherine, Princess of Wales

Image Credit: IG – @british.royals

Estimated value: £300,000

Style: 12ct oval-cut Ceylon sapphire surrounded by 14 solitaire diamonds

Kate Middleton’s engagement ring – which was formerly Princess Diana’s – features a 12 carat Ceylon sapphire, originating from Sri Lanka. Like with most precious gemstones, the quality and value of a sapphire is graded by its colour and hue, which can range from a light, pale blue to a dark, royal blue.

The sapphire is a deep, royal blue, of AAAA quality, making it amongst the most valuable of its kind. Globally, the sale of blue sapphires increased by around 300 percent at the time, and even now, thanks to Netflix show ‘The Crown’, sales of sapphires continue to surge, with vintage style halo designs being extremely popular.

2. Queen Camilla

Image Credit: IG – X – @dapakistantimes

Estimated value: £212,000

Style: 5ct emerald-cut diamond surrounded by three diamonds

Queen Camilla has a plethora of jewels, but one item she’s rarely seen without is her engagement ring from King Charles – and it’s difficult to miss the enormous diamond sparkling on her wedding finger. The ring is one of the most extensive and most expensive engagement rings in the royal family.

When the then Prince of Wales proposed to Camilla in 2005, he chose a ring with a special connection to the royal family. He picked a five-carat emerald-cut diamond surrounded by three diamond baguettes given to the Queen Mother in 1929. It was passed on from one generation to the Queen Mother, who was first seen wearing it in the 1980’s after receiving it from King George VI.

3. Queen Elizabeth II

Image Credit: IG – @itsroyalgram @royal_philibeth

Estimated Value: £207,000

Style: 3ct round-cut solitaire diamond with five small stones set on each shoulder

Prince Philip designed Queen Elizabeth II’s square-cut diamond engagement ring with jewellers Philip Antrobus Ltd. The ring is a platinum ring set with eleven diamonds, a 3 carat round solitaire and five smaller stones set on each shoulder.

Using diamonds from his mother’s tiara may have been a way to save money, as well being as a sentimental gesture, as whilst Prince Philip was born a Greek prince, it seems his family were not extremely wealthy.

After taking a close look at the former monarch’s engagement ring, our diamond experts estimate that it’s likely to be worth around £207,000 on today’s market. In comparison, Meghan Markle’s ring is estimated to be worth around £96,729, whilst Kate Middleton’s is now worth around £300,000 thanks to its timeless legacy.

Queen Elizabeth II’s ring was made from a nugget of Welsh gold from the Clogau St David’s mine, near Dolgellau – the same nugget has been used to make Princess Anne, Princess Diana and Kate Middleton’s rings.

4. Princess Beatrice

Image Credit: X – @katiesroyallove @SarahTheDuchess

Estimated value: £130,000

Style: 3ct round-cut diamond shouldered by two tapered baguettes

It was in September 2019 when Edoardo popped the question to his princess, during a romantic holiday in Italy.

The stunning ring was designed by highly reputable British jeweller, Shaun Leane, who worked with Edoardo to create a piece of jewellery that embodied the couple’s personality and love story.

Princess Beatrice’s ring is truly remarkable. A prominent six-claw round cut diamond takes center stage, estimated to be around 3 carats.

The round diamond is flanked by two tapered baguettes, lending the ring a vintage charm and an Art Deco-inspired aesthetic. To enhance its brilliance, the ring also boasts small pavé diamonds encircling halfway along the band.

Our experts note that from the available images, it’s evident that the diamonds are of VVS grade, signifying minimal inclusions that are nearly imperceptible even under 10x magnification. The diamonds appear flawless.

5. Meghan Markle

Image Credit: IG – @theknot X – @sussexprincess

Estimated value: £120,000

Style: 3ct cushion-cut diamond with a 0.75ct stone on each side

When Prince Harry proposed in 2017, he presented Meghan with a beautiful three stone engagement ring, featuring diamonds from Princess Diana’s jewellery collection.

Over 18 months later Meghan made some alterations to the ring, replacing the yellow gold band with a delicate diamond-studded band instead.

Prince Harry custom designed the ring which includes a centre cushion cut diamond, sourced from Botswana – a place that holds a special place in the couple’s hearts. Botswana diamond mining has contributed to transforming Botswana into one of Africa’s most prosperous countries, and Botswana diamond mines are dedicated to minimizing their environmental footprint.

Our experts estimate this 3 to 4 carat stone to be extremely high quality with incredible colour and clarity, flawless to the naked eye. The two round diamonds supporting the centre stone are from Princess Diana’s jewellery collection and around 0.5 to 0.75 carats each.

6. Princess Eugenie

Image Credit: IG – @royaltyintime X – @SarahTheDuchess

Estimated value: £120,000

Style: 4ct pink Padparadscha sapphire, surrounded by a halo of diamonds.

Princess Eugenie and Jack Brooksbank got engaged back in January 2018, just two months after Prince Harry announced his engagement to Meghan Markle.

On 22nd January 2018, an announcement came from the Buckingham Palace Twitter account, which shared a heartwarming photograph of the couple, along with the date of the wedding, which would take place later in the year.

Interestingly, Princess Eugenie also opted for a sapphire ring, however not a traditional blue sapphire. Her ring features a rare pink Padparadscha sapphire, surrounded by a halo of sparkling diamonds. Padparadscha sapphires are incredibly rare, much rarer than diamonds.

Maxwell Stone said: “These are extremely rare stones which many people haven’t even heard of. They are strikingly beautiful with unique shades of pink and orange, often resembling the colours of a sunset.”

The stones are set on a Welsh yellow gold band, which is a custom for royal brides, with two stunning tapered diamonds at the shoulders of the yellow gold shank.

7. Sophie, Duchess of Edinburgh

Image Credit: X – @CoutureRoyals

Estimated value: £105,000

Style: 2ct oval-cut diamond flanked by two heart-shaped stones

Prince Edward and Sophie, Duchess of Edinburgh tied the knot in 1999, and ahead of their wedding day, Queen Elizabeth II’s son presented Sophie with an incredible three stone engagement ring.

Sophie’s showstopping ring features a two-carat central oval cut diamond that is flanked by two smaller, heart-shaped diamonds, which she often wears it alongside her gold wedding band.

The trilogy ring is designed in a similar style to Meghan Markle’s ring, which was made with an ethically sourced diamond from Africa and two of his late mother’s rare diamonds.

8. Sarah, Duchess of York

Image Credit: X – @SarahTheDuchess IG – @royaltyintime

Estimated value: £70,000

Style: 3ct Burmese ruby surrounded by ten diamonds

Sarah Ferguson’s engagement ring features a huge 3ct Burmese ruby surrounded by ten glittering diamonds, and the stones form a flower pattern which is also known as a cluster ring. The precious gems are arranged on a yellow gold band and the gorgeous colours are so attention-grabbing.

The stunning ring is believed to have been crafted by British jewllery house, Garrard, the same place that made Princess Diana’s iconic sapphire piece, as well as Sophie Wessex’s dazzling ring.

At the time, Sarah’s ring is reported to have cost around £25,000, but inflation and the royal history now means it could be valued in the region of £70,000.

It is believed that Princess Eugenie took inspiration from her mother, as her sparkler has notable similarities.

9. Princess Anne

Image Credit: IG – @thewindsorsfamily X – @RoyalWatcher3

Estimated value: £25,000

Style: 3ct oval-cut cabochon sapphire framed by a cluster of three small diamonds

Timothy Laurence, a commander in the Royal Navy, met Princess Anne while he was serving on the Royal Yacht Britannia. The pair were married in late 1992, however rather than a lavish royal ceremony, the event had to take place in in Scotland since the Church of England did not allow remarriages after divorce.

Her second engagement ring, which contains a 3ct oval-cut cabochon sapphire is very similar to her first engagement ring from her first husband, Mark Phillips which also features an oval cut sapphire stone and a cluster of diamonds.

Our expert Maxwell Stone said: “It’s interesting that Princess Anne received sapphire engagement rings rather than traditional diamond rings. Blue sapphires are often linked to people who are respectful, loyal, hardworking, and honest, which only makes these rings even more special, and suggests that this could have meant something to Princess Anne.

Princess Diana also famously had a blue sapphire ring, which is now in the hands of Kate Middleton, while the queen is frequently seen sporting the gemstone on her famous brooches.”

10. Zara Tindall

Image Credit: IG – @thewindsorsfamily X – @JangmiJewelry

Estimated value: £15,000

Style: 1.5ct round cut diamond in four-claw split shoulder design

When Mike Tindall proposed to Zara, he chose a four-claw split shoulder design with several pavé set diamonds, complete with a single solitaire diamond in the centre. 

A lot of thought went into Zara’s engagement ring design, with Mike taking into consideration his future wife’s sporting career – it’s thought that the ring deliberately has a low profile setting, allowing Zara to still be able to wear it while competing in equestrian events. 

The ring combines a traditional style with a twist of modern design. The classic round diamond looks to be around 1.5ct, giving the ring an estimated value of around £15,000. However, considering it’s worn by the granddaughter of Queen Elizabeth II, it comes with a legacy which makes it priceless.

If you’re looking for jewellery to rival royalty, our team can design bespoke creations, tailored to you. From engagement rings and wedding rings to necklaces and pendants, your options are endless.

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