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Gemology is the study of precious and semi-precious stones and their properties. It is a field of science that is constantly evolving, as new discoveries are made and new technologies are developed. Gemologists study the physical and chemical properties of gems, such as color, hardness, clarity, and refractive index. They also study the history and folklore associated with gems. The aim of gemology is to understand the characteristics and properties of gems in order to identify them and assess their value. Here you can find news, articles, and videos related to gemology and the gemstone industry.

The Princess of Wales Wears Dior for France State Visit – What Kate Wore

The Princess of Wales chose an ensemble by French fashion house Christian Dior for today's ceremonies marking the start of the state visit by France to the United Kingdom. The Prince and Princess of Wales welcomed French President Emmanuel Macron and his wife Brigitte at RAF Northolt as they began their three-day visit. Below, the President greets the Princess of Wales.  Embed from Getty Imageswindow.gie=window.gie||function(c){(gie.q=gie.q||[]).push(c)};gie(function(){gie.widgets.load({id:'tkBYJkxHRN1JhQBIKnlskw',sig:'dEJ_xjjssCqGMFxd4OvkhQkSJHepRNKefp1ajjFvVI8=',w:'594px',h:'396px',items:'2223462920',caption: true ,tld:'com',is360: false })}); The Prince of Wales and President Macron.  The BBC reports, It is the first state visit by a French president since 2008, and the first by a European Union political leader since Brexit. This is not the first time the two couples have spent time together. Here you see them at a G7 reception in June 2021. Another scene from today's airport welcome. This video, posted by Kensington Palace, gives you a look at the RAF Northolt arrival.  Bienvenue Président @EmmanuelMacron 👋🇫🇷🇬🇧 pic.twitter.com/XQQufqx8Og — The Prince and Princess of Wales (@KensingtonRoyal) July 8, 2025 The group then traveled to Windsor's town center for a welcome by the King and Queen. The visit is being hosted at Windsor Castle because of the ongoing renovations at Buckingham Palace. The last state visit held at Windsor was in 2014 when the President of Ireland, Michael D Higgins, visited. It was a sunny day with temperatures in the upper 70s.  More from The Telegraph's coverage. The King and Queen warmly welcomed the Macrons on the dais at Windsor, with the French president kissing Camilla’s hand. As they stood chatting, Emmanuel Macron placed his hand on the King’s back, and gave it a few affectionate rubs. Mr Macron and the King later chatted enthusiastically as Household Cavalry made their way down the road and the open-top carriages arrived. The Prince and Princess appeared to be relaxed and enjoying the ceremonies.  Embed from Getty Imageswindow.gie=window.gie||function(c){(gie.q=gie.q||[]).push(c)};gie(function(){gie.widgets.load({id:'7SCMaB0WQ_ZJHd4gZFLOVg',sig:'ekbkSaETVXBDN-CUPypi_w0QsOXmhVmq9EIjdk9RxHA=',w:'372px',h:'594px',items:'2224116972',caption: true ,tld:'com',is360: false })}); Here is a quick video of the Prince and Princess via The Daily Mail's Rebecca English.   Lovely to see the Prince and Princess of Wales at today’s ceremonial welcome at Windsor Castle having a very animated chat 🇬🇧 🇫🇷 pic.twitter.com/JIfp09y13O — Rebecca English (@RE_DailyMail) July 8, 2025 Prince William helping the Princess down the steps as everyone headed to their respective carriages for a ride to Windsor Castle.  The King and French President traveled through Windsor in the 1902 State Landau.  The Queen and Mrs. Macron rode in the Semi-State Landau.  The Prince and Princess in the Ascot Landau, with Rachida Dati, the French Minister of Culture, and Sébastien Lecornu, the French Armed Forces Minister. Another view of the Prince and Princess.  And the scene at Windsor Castle as the carriage procession arrived.  Embed from Getty Imageswindow.gie=window.gie||function(c){(gie.q=gie.q||[]).push(c)};gie(function(){gie.widgets.load({id:'oifYWBYtSIJRORGwEw9t7w',sig:'n_Rj0yvfLxYuulYwC-vZ8q3MD9k4HMfpRFWMTSzNhRQ=',w:'594px',h:'396px',items:'2223512952',caption: true ,tld:'com',is360: false })}); The Princess of Wales at Windsor Castle.  The King and President inspecting the Guard. Following the ceremonies outside Windsor Castle, everyone gathered inside for a luncheon, where more members of the royal family joined them. Below, the group as they walked to lunch. Next on the agenda, viewing a Royal Collection exhibition of art and literature with connections to France.  Embed from Getty Imageswindow.gie=window.gie||function(c){(gie.q=gie.q||[]).push(c)};gie(function(){gie.widgets.load({id:'xpSQPQ88QbVjrpEinDK8tQ',sig:'9fBgvTn-44c0J4NB4eVyLjh2wCqCCvwOvcqlMuH8L64=',w:'594px',h:'396px',items:'2223491295',caption: true ,tld:'com',is360: false })}); We learn more from The Telegraph's coverage.  After enjoying a private lunch in the Castle’s State Dining Room, the King and Queen escorted their guests into the Green Drawing Room, where they viewed treasures including a 1632 Second Folio of 36 Shakespeare plays, complete with notes in the margin written by Charles I. You can just see the Edinburghs on the left in this photo of people looking at items in the exhibit. The Prince and Princess examining some of the objects in the Green Drawing Room, where the exhibit was shown.  More from Hello's story.  The Princess of Wales, a former art history student, jokingly remarked: I should know when viewing a portrait of young Louis XIV.  She also admired Charles I's annotated Shakespeare folio, praising the beautiful French handwriting. Kate expressed her appreciation for its history with an Oh wow and a smile at William. The Duke and Duchess of Edinburgh looking at pieces from the collection.  Embed from Getty Imageswindow.gie=window.gie||function(c){(gie.q=gie.q||[]).push(c)};gie(function(){gie.widgets.load({id:'SAJH3lvuRH9k0ffsOuPhTw',sig:'sIwCXvx-a-g1G-ExYStkSgLVtf_rlI6SW5bFSKTkr58=',w:'594px',h:'396px',items:'2223491243',caption: true ,tld:'com',is360: false })}); Normally, I would cover the ensembles worn by some of the other women at today's events, but we have just learned the Princess of Wales will attend tonight's state dinner, so I need to get this published. Hopefully, I will be able to come back and update with more photos and that information.   Now, for our look at what Kate wore, a blend of French and British brands. We begin with the Christian Dior ensemble. The Princess wore the storied French fashion house's 30 Montaigne Bar Jacket ($5000) in a blend of silk and wool. The name references Dior's historic address at 30 Avenue Montaigne in Paris. The jacket is described as an emblematic style from the New Look collection, first created by Christian Dior in 1947. The fitted design is a single-breasted style with notch lapels, angled hip pockets, and silk lining. A closer look at some of the jacket details: the lapel, pocket, front button, and cuff. Here is a look at the 1947 original. We learn more from The Telegraph's Tamara Abraham in this story.  This particular iteration, the 30 Montaigne Rose Des Vents, was from 2024, designed during the tenure of Maria Grazia Chiuri, Dior’s only ever female creative director who announced her departure from the storied house in May. It is now helmed by Northern Irish designer Jonathan Anderson, the first creative director in Dior’s 78-year history to be responsible for both men and women’s clothing. The skirt appears to be a 2020 style, the Tulle Pleated Midi Skirt in 100% polyamide with a mesh overlay. (The color representation in these photos is a little off, I think.) Thank you to Princess of Wales Closet for her ID work on this piece. The Princess debuted a new hat by British milliner Jess Collett, who designed the headpieces worn by the Princess of Wales and Princess Charlotte for the King's coronation. It looks like a bespoke version of the Rita Boater, shown below in black and white, and also in scarlet (£995). As the name suggests, it is a classic boater style, described as being Worn comfortably on a discreet hairband. The Princess brought back her Gianvito Rossi Praline Pumps ($437 on sale) in the 85mm height, about a 3.5 heel. It is a signature style for the brand with a pointed toe and a leather sole. It is also available at Saks ($795) and at Neiman Marcus ($795). She carried her Bayswater Wallet Clutch by Mulberry in 'buttercream' suede. (Our photo shows the item in leather.) The Princess's jewelry included the Collingwood Diamond and pearl earrings that were initially created by Collingwood Jewelers for Diana, Princess of Wales. Her three-strand pearl necklace is from the late Queen Elizabeth's collection. Coverage of tonight's state dinner may be seen here.  Below, a video from Kensington Palace after the daytime engagements. From discussions on our shared future to moments of reflection on historic ties, it was an honour to help strengthen the enduring partnership between France and the UK alongside Their Majesties and Président @EmmanuelMacron today. pic.twitter.com/elXYX2drHK — The Prince and Princess of Wales (@KensingtonRoyal) July 8, 2025

The Princess in Creamy White Design for Wimbledon Ladies’ Final – What Kate Wore

The Princess was in a creamy white style today at Wimbledon for the Ladies' Singles Final match between the USA's Amanda Anisimova and Iga Świątek of Poland. The Princess has been Wimbledon's patron since 2016. Above and below, you see her with Deborah Jevans, chair of the All England Lawn Tennis and Croquet Club. Below, a wide shot as they cross the Players Bridge to Centre Court. A social media post from Wimbledon.  Before the match, the Princess met with volunteers and staff. Above, you see her with 8-year-old Lydia Lowe, selected to do the coin toss for the Ladies' Wheelchair Singles Final—more from this Telegraph piece.  The Princess, 43, was also urged to “take deep breaths” by eight-year-old Lydia Lowe ahead of her appearance at the women’s singles final. During a touching exchange, the Princess asked the child, who overcame a brain injury last January and had to learn how to walk again, what it meant to her to perform the coin toss. She asked if the girl had a favourite tennis player and whether she was feeling nervous. When the Princess asked if she had any advice for her ahead of her own appearance, the child replied: “Don’t be nervous [and] take deep breaths.” The Princess responded: “Take deep breaths, okay, I’ll remember that. Thank you.” The Princess and Ms. Jevans then headed to the royal box.  As the Princess took her seat, there was a standing ovation from the crowd.  Centre Court rises to give a warm welcome to our Patron HRH The Princess of Wales 💜💚#Wimbledon pic.twitter.com/BG3Ar7XMWv — Wimbledon (@Wimbledon) July 12, 2025 A wave from the Princess. The Princess and Billie Jean King, as the tennis legend acknowledged the crowd. Then it was time for the match. Below, Iga Świątek and Amanda Anisimova as they waited to take to the court.  A wide shot of the royal box.  The temperature was 90° F as the match got underway, according to Weather.com. Iga Świątek celebrates winning a point.  The Princess enjoying a cool beverage during the match.  It was a short match, just 57 minutes. More from this NY Times story.  Poland’s No. 8 seed prevailed over the No. 13 seed from the United States in a one-sided clinic of a match, ultimately decided by Anisimova’s nerves, Świątek’s clear-headed tactics and the relentlessness that makes her one of the best players in the world. There’s no other explanation. A Grand Slam final. A Wimbledon final. The Princess of Wales. As Carlos Alcaraz said after his first match here this year, “Wimbledon is different.” The Princess greeted ball boys and girls as she arrived on the court to award the trophies. She also greeted umpires and line judges.  The Princess with Amanda Anisimova.  And awarding Ms. Świątek with the champion's Venus Rosewater Dish, a silver salver measuring 18.75 inches in diameter. The Princess applauded both women.  More from the Wimbledon site.  Receiving the Venus Rosewater Dish from the Princess of Wales, the Patron of the All England Club, made a remarkable afternoon even more memorable for Swiatek. “On the court, she congratulated me and said some nice stuff about my performance. I didn’t want to make a faux pas. Since I was a kid, I’ve been a big fan of the royals,” she said. And now we turn to our look at what Kate wore for today's match, a style I believe is another midi dress by Self Portrait. (I also think it's another dress that can initially look like separates.) The single-breasted jacket portion of the dress has a military or utility feel to it, with a mandarin collar, short sleeves, pocket flaps (I don't know if they're functional pockets) at the hip and bodice, a self-belt, and self-covered buttons. It very much looks like a bespoke Self Portrait piece. You can see the similarities between today's look and the Lime Boucle Collared Chiffon Midi Dress worn for the Ladies' final in 2023.  The Princess carried a new bag today by Anya Hindmarch in chalk-colored leather. The Neeson Small Square Tote ($1490) showcases woven leather, adjustable handle length, and the signature Anya Hindmarch bow woven into the leather. It is available in a larger size ($2050) at Marissa Collections.  Thank you to Ellie, Kate Middleton Style Blog, and Middleton Maven for this ID. The Princess brought back her Gianvito Rossi’s Ribbon Sling Pumps (now sold out) in the 85mm heel height. (I show them below left in another color and fabric.) The Princess wore a new pair of Ralph Lauren sunglasses. With thanks to Carly at Kate Middleton Style for the ID, they appear to be the Ralph by Ralph Lauren Cateye style ($79.50) in Black Havana. The sunglasses are also available at Designer Optics ($78), Glasses.com ($79.50), Sunglass Hut ($106), and Lenscrafters ($53 for the frame only, I believe.)  We saw what could be a new Halcyon Days bangle. In some light, it looks like the Maya Torque Bangle ($215, sold out) in the Diamond colorway. The bracelet is 18ct gold-plated twisted brass with glass cabochon stones. In other lighting, the stones almost look light blue, so I'm not 100% convinced it is this piece. The Princess also had on her Cartier Trinity Earrings ($3350) and her Wimbledon pin in the Club's purple and green colors.   This Today piece offers more on the pin's significance. A representative for the AELTC told TODAY Style the duchess’s bow is reserved for the club’s patron, president, committee of management, vice presidents and four members of their executive staff. I'll leave you with a video posted by Kensington Palace after the match.  A wonderful day at The @Wimbledon Championships! Congratulations @iga_swiatek on a brilliant victory! 👏🎾 pic.twitter.com/jDr1b7uJCj — The Prince and Princess of Wales (@KensingtonRoyal) July 12, 2025 I am expecting we'll see the Princess again tomorrow for the Men's Final match between Carlos Alcaraz and Jannik Sinner.