Click through to see all of her most beautiful jewels...
Photo: © Getty Images
Christmas sparkles
For Christmas Day at Sandringham in 2018, Duchess Kate paired her stunning berry hued ensemble with some major glitter – like her Asprey Oak Leaf Earrings and Oak Leaf brooch, which she first wore during the Diamond Jubilee tour in 2012.Photo: © Getty Images
Cassandra Goad Cavalfiore Pear Studs
The Duchess of Cambridge looked absolutely stunning at the christening of her third child, Prince Louis, in April 2018. Dazzling in an elegant dress by Alexander McQueen and cream hat by Jane Taylor, the royal accessorized with the most beautiful floral pearl earrings, calling to mind the Queen's own Floret Earrings, gifted to her by Queen Mary. The Duchess wore Cavalfiore Pear Studs by British jewellery designer Cassandra Goad. The earrings have quite a price tag too, available to order from $7,362.Photo: © Getty Images
Bespoke Kiki McDonough earrings
The duchess dazzled in a pair of bespoke Kiki McDonough earrings during a visit to the 'Victorian Giants' exhibition at National Portrait Gallery on February 28, 2018. The statement pieces were created by one of her favourite jewellery designers and are from Kiki's 'Candy' collection. The creation is a pair of the jeweller's gorgeous Green Amethyst earrings with smooth cut stones, and surrounded by diamonds set in 18ct Yellow Gold. They ring in around $4,000.Photo: © Ben Stansall - Pool/Getty Images
Strands of pearls
In November 2017, Kate was spotted wearing a four-strand pearl choker for Queen Elizabeth and Prince Philip's 70th anniversary celebration at Windsor castle. The piece features a central diamond clasp and was commissioned using a collection of cultured pearls given to Queen Elizabeth by the Japanese government, and was worn by Princess Diana during the 1980s.Photo: © Max Mumby/Indigo/Getty Images
Freshwater pearls
When Kate stopped by the Wimbledon Junior Tennis Initiative on Jan. 17, 2018, she perfectly accessorized her sporty outfit with a discreet set of earrings from one of her favourite jewelry brands, Annoushka. The Pearl Baroque Earring Drops, which the royal has worn numerous times, are two hand-selected freshwater pearls suspended from 18ct gold rings.Photo: © Max Mumby/Indigo/Getty Images
Convertible earrings!
In February 2018, the Duke and Duchess of Cambridge stepped out for a glittering night at the British Oscars, the BAFTAs. The pregnant duchess looked incredible in a forest green gown by one of her favourite designers, Jenny Packham. Eagle-eyed jewelry fans, however, were very excited by her choice of gems, including a jaw-dropping necklace and emerald earrings. The Duchess appeared to be making very good use of her stunning jewelry collection because it turns out her earrings are actually convertible! She last wore the emerald earrings in a drop style setting in December 2014 and they're said to have been a private gift.Photo: © Samir Hussein/WireImage
Cartier heirloom
All eyes were on Kate’s eye-popping necklace when she attended the Portrait Gala last year. The exquisite Cartier piece she borrowed from the Queen features 38 diamonds and was a gift to the monarch from Nizam of Hyderabad at her wedding to Prince Philip.Photo: © Alastair Grant/AFP/Getty Images
Princess Diana's Engagement Ring
Undoubtedly the best-known item in Kate's jewelry collection is her engagement ring. Princess Diana herself selected the unusual sparkler - an oval, royal-blue sapphire - after Prince Charles proposed in 1981. It was from a selection of rings from the former Crown jewellers Garrard of Mayfair and cost approximately $52,000 CAN. "It's very special to me. As Kate's very special to me now, it was right to put the two together," William said on the day of their engagement announcement. "It was my way of making sure my mother didn't miss out on today and the excitement, and the fact that we're going to spend the rest of our lives together.” The stunning central stone is a 12-carat oval Ceylon sapphire, one of Princess Diana's favourite gemstones, while the 14 solitaire diamonds nestled around it are set in 18-carat white gold.Photo: © Christopher Furlong/Getty Images
Mappin & Webb drop earrings
At Princess Charlotte's christening in 2015, the $6,700 white gold and diamond-encrusted jewels were on full display as the Duchess tied back her hair and accessorized with a chic cream Jane Taylor hat.Kate also wore the 18-karat stunners to the Rugby World Cup Opening Ceremony in September 2015, along with her meeting with the Chinese President during his UK State Visit the following month.
Photo: © Getty Images
Art deco demi-parure
Kate is often pictured wearing a spectacular diamond bracelet, which – along with a pair of matching diamond earrings – are believed to have been a gift from Prince Charles.She has worn the demi-parure on tour in New Zealand and to the 100 Women In Hedge Funds Gala in 2015.
Photo: © John Stillwell/WPA/Getty Images
Links of London Effervescence Bubble Stiletto earrings
For one of her first glamorous outings following the Royal Wedding, the duchess dazzled at the 10th Annual ARK (Absolute Return for Kids) gala dinner wearing Links of London Effervescence Bubble Stiletto earrings. Made of lavender iolite stones that sparkle in clusters, the sterling-silver danglers perfectly complemented her glittering Jenny Packham gown (Right). She has also worn the baubles for Trooping the Colour festivities in 2012 (Left) and during her stop in Charlottetown during the Royal Tour of Canada in 2011.Photo: © Photo by Samir Hussein/Getty Images
Asprey necklace
When the expectant duchess (then pregnant with Prince George) stepped out in London in February 2013, she accessorized her monochrome MaxMara dress with another staple piece. The $1,540 white-gold 167 Button Pendant necklace features an amethyst stone surrounded by pavé diamonds and is set in 18-carat white gold.Photo: © Christopher Furlong/Getty Images
Cassandra Goad Temple of Heaven earrings
At a museum launch reception, Kate wore her hair in her signature half-updo to show off her gorgeous Cassandra Goad Temple of Heaven earrings, which matched her gold belt.Photo: © Indigo/Getty Images
Statement Zara necklace
For the Mandela: Long Walk to Freedom screening, Kate made headlines when she paired her floor–length Roland Mouret gown with a $40 statement necklace from Zara.Photo © Indigo/Getty Images
Princess Diana replicas
At a reception to mark the launch of Tusk Trust's US Patron's Circle in Santa Barbara, Kate paired an elegant diamond-cross pendant with a pair of sapphire-and-diamond drop earrings, reported to be remodelled versions of one of Princess Diana's favourite pairs.Photo: © Chris Jackson/Getty Images
Kiki McDonough hoops
The duchess wowed in a pair of blue topaz-and-diamond hoops by one of her go-to jewellery designers – Kiki McDonough – for a gala at the Royal Academy of Arts in 2012.Photo: © Pete Mariner/Keystone Press
Mouwad necklace and bracelet
Adding a pop of colour to her black velvet Alexander McQueen gown, Kate had heads turning in a ruby-and-diamond necklace and matching bracelet by luxury designers Mouwad for the ‘Night of Heroes: The Sun Military Awards’ in 2011.Photo: © Anwar Hussein/Getty Images
Kiki McDonough earrings
The duchess paired her Mappin and Webb Fortune white-gold necklace with Kiki McDonough cushion-cut earrings for a visit to a children’s hospice last November.Photo: © Chris Jackson/Getty Images
Cartier watch
Kate is rarely seen wearing a watch in public, but this beautiful $7,271 Ballon Bleu Cartier timepiece features a sapphire that perfectly matches the gem in her engagement ring.Photo: © Indigo/Getty Images
Heavenly Necklaces earrings
Kate's trusty pearl earrings are her go-to accessory for many of her elegant looks. She wore this triple-stone pearl drop pair by Heavenly Necklaces on the final day of the Diamond Jubilee celebrations in 2012. Unsurprisingly, they’ve proven to be especially popular for brides.Photo: © Indigo/Getty Images
A wedding gift from the Duchess of Cornwall
Kate doesn’t often wear chunky bracelets, but this one has a special place in her heart. The disc charm bracelet was a touching wedding gift from the Duchess of Cornwall, who gave it to her shortly after Kate and William announced their engagement. Both of their names are engraved on either side of the charm, and Prince Charles's wife also wears a similar version of the bracelet on her wrist.Photo: © Indigo/Getty Images
Cartier Trinity necklace
A more extravagant choice than normal for the famously thrifty duchess was the $89,000 Cartier Trinity Necklace that she wore to an event before the London Olympics at National Portrait Gallery. The 18-carat chain featured pavé diamonds and three intertwined circles of pink, yellow and white gold.Photo: © Indigo/Getty Images
Kiki McDonough drop earrings
Kate is also often spotted wearing diamond-and-green amethyst drop earrings set in 18-carat gold by Kiki McDonough. She debuted these for her first Christmas with the Royal Family at Sandringham in 2011. The $3,455 pair were originally available in citrine on the designer's website and are believed to have been customized especially for Kate, ordered by Prince William as a gift for his new bride. Kiki also made jewellery for Princess Diana.Photo: © Indigo/Getty Images
G Collins necklace
Kate debuted another gorgeous set of jewels at the Service of Commemoration for Afghanistan at St Paul's Cathedral in March. The G Collins necklace is made of 6.3 carats of blue tanzanite surrounded by .87 carat of diamonds and is set in platinum.Photo © Andrew Parsons/i-image/Keystone Press
