Archiv der Kategorie: Noble Jewels |Nobility

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Countess Strathmore Diamond Jewels Marriage Bridal Jewels Wedding Gift in 1881| British Royal Jewels

"Wedding diamonds from Count Glamis, later Count of Strathmore and Kinghorne, to Cecilia Cavendish-Bentinck- two inwinded hearts in diamonds with a crown as pendant, large brooch, worn on the wedding of the Duke and Duchess of York in 1923 - Countess Strathmore Diamond Jewels Marriage Bridal Jewels   Wedding Gift in 1881 | Raspberry Pip Topaz and Diamond Brooch | Queen Elizabeth II. Diamonds Queens Jewels| History Royal Jewellery England,present,gift,best diamonds,Queen ElizabethII,Schmuck,royals,royal jewels,diamant,diamonds, gold,history,Cecilia Nina Cavendish-Bentinck,Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne,wedding,bridal gifts,royal gifts,royal wedding,bequest,left to Queen Mother,cross brooch,diamond cross,snake bracelet,bracelet,gold snake with diamonds,MARRIAGE OF MISS CAVENDISH BENTINCK.countess glamis,MARRIAGE OF LORD GLAMIS AND MISS CAVENDISH BKNTINCK,last will of the countess,left to the queen

Wedding diamonds from Count Glamis, later Count of Strathmore and Kinghorne, to Cecilia Cavendish-Bentinck- two inwinded hearts in diamonds with a crown as pendant, large brooch, worn on the wedding of the Duke and Duchess of York in 1923 Countess Strathmore Diamond Jewels Marriage Bridal Jewels Wedding Gift in 1881 |

Countess Strathmore Diamond Cross Wedding Gift in 1881 | Raspberry Pip Topaz and Diamond Brooch | Queen Elizabeth II. Diamonds Queens Jewels| History Royal Jewellery England

Fürstin Waldeck Pyrmont Diamond Flower Tiara | German Royal Jewel History

Fürstin Waldeck Pyrmont Diamond Flower Tiara, German, Royal Jewel History, Flower tiara diademe diademas,tiare,tiaras,joyas,royaltiara,princesstiara,royals,royaljewellery,flower brooches in diamond, important diadem of flower heads,diamond flowers tiara diadem,diamant diadem, princess,Prinzessin Nassau, Prinzessin Altburg, Princess Guda,fürstin zu Waldeck pyrmont, Fürstin Waldeck-Pyrmont, Family Jewels,historic jewels, german royals, royalty

Fürstin Bathildis zu Waldeck -Pyrmont , Prinzessin Altburg zu Waldeck und Pyrmont und Prinzessin Guda zu Waldeck-Pyrmont

Duchess of Albany Wedding | Heirloom Jewels Fürstin Helene zu Waldeck-Pyrmont, Princess of Nassau

Wedding Jewels | Princess Helen of Waldeck -Pyrmont Duchess of Albany | Hochzeits-Schmuck

Princess Helen’s Snake Bracelet | Prinzessin Helene’s Schlangenarmband aus Brillanten

The Wedding gifts of Duchess Helen | Die Hochzeitsgeschenke der Herzogin Helen Albany in engl.

Princess Waldeck -Pyrmonts Portrait a gift of the Queen | Geschenkeliste zur Vermählung in Deutsch

Wedding presents, Bracelets for Helen Princess of Waldeck-Pyrmont | Schmuck -Armbänder zur Hochzeit

Diamonds, the Rare Treasures from the Depths

Once formed over 150 kilometers deep within the Earth’s mantle, diamonds now glitter on many a ring finger. A recent study sheds light on how these precious gems made their way to the surface. Through geological clues and model simulations, researchers revealed how the breakup of tectonic plates led to volcanic eruptions that brought these „treasure-rich“ materials within our reach.

Kimberlites are volatile-rich, occasionally diamond-bearing magmas that have erupted explosively at Earth’s surface in the geologic past1,2,3. These enigmatic magmas, originating from depths exceeding 150 km in Earth’s mantle1, occur in stable cratons and in pulses broadly synchronous with supercontinent cyclicity4. Whether their mobilization is driven by mantle plumes5 or by mechanical weakening of cratonic lithosphere4,6 remains unclear. Here we show that most kimberlites spanning the past billion years erupted about 30 million years (Myr) after continental breakup, suggesting an association with rifting processes. Our dynamical and analytical models show that physically steep lithosphere–asthenosphere boundaries (LABs) formed during rifting generate convective instabilities in the asthenosphere that slowly migrate many hundreds to thousands of kilometres inboard of rift zones. These instabilities endure many tens of millions of years after continental breakup and destabilize the basal tens of kilometres of the cratonic lithosphere, or keel. Displaced keel is replaced by a hot, upwelling mixture of asthenosphere and recycled volatile-rich keel in the return flow, causing decompressional partial melting. Our calculations show that this process can generate small-volume, low-degree, volatile-rich melts, closely matching the characteristics expected of kimberlites1,2,3. Together, these results provide a quantitative and mechanistic link between kimberlite episodicity and supercontinent cycles through progressive disruption of cratonic keels.

Diamonds are made of ordinary carbon, but what sets them apart from materials like coal is their purity and consistency. Naturally, their highly compact crystal structure can only form under immense pressure and heat in the Earth’s mantle, conditions found at depths over 150 kilometers. Over millions of years, diamonds were „baked“ in this extreme environment. The process of how they reached the Earth’s surface was roughly understood: diamond-bearing rocks melted due to geological processes, rose through fissures, and eventually surfaced during volcanic eruptions. The remains of these cooled volcanoes formed the deposits where raw diamonds are found today, typically embedded in a material known as kimberlite, named after the South African diamond-rich location, Kimberley. However, previous models couldn’t fully explain the origin of kimberlite melts deep within the Earth. It was evident that these processes were somehow linked to the restructuring of the Earth’s tectonic plates.

Unraveling the Mobilization Process

To investigate the geological processes leading to mobilization and kimberlite eruptions, the team led by Thomas Gernon from the University of Southampton delved into the matter. „The pattern of diamond eruptions is cyclic and follows the rhythm of supercontinents forming and breaking apart over hundreds of millions of years. However, until now, we didn’t know the process that suddenly brings diamonds to the Earth’s surface after resting 150 kilometers deep for millions or billions of years,“ says Gernon.

To gather new insights, the researchers analyzed the global correlation between the occurrence of kimberlites and the history of tectonic plate movements on Earth. They combined radiometric dating results with tectonic reconstructions, revealing that kimberlites formed over the past billion years typically erupted about 30 million years after the breakup of continental plates in the corresponding regions. This suggested an association with specific processes occurring at rift zones.

Natur Diamanten,natürliche Diamanten

Hot Processes at Plate Boundaries

To shed light on the exact mechanisms, the team developed geological model simulations that provided a plausible picture of the processes. According to their explanation, a continental plate thins considerably over many millions of years before it breaks apart. This process, known as „rifting,“ causes the Earth’s surface to sink, eventually forming a rift valley. This is currently happening in East Africa, where the Rift Valley is forming. The model suggests that something similar occurs deep within the Earth: pieces of the underside of the plate sink into the mantle while hotter rock flows in from below to fill the void—similar to seawater on the surface. This incoming magma destabilizes the surrounding rock containing diamonds, turning the previously ductile material into a liquid that then rises upward. Eventually, through volcanic eruptions, it reaches the surface and solidifies into diamond-rich kimberlite.

Furthermore, the researchers can explain why volcanic eruptions with diamond-rich kimberlite can occur relatively far from the continental edges. These eruptions are also ultimately caused by plate breakup. Dynamic processes that extend far and wide occur during this process. „These flows along the underside of tectonic plates remove a considerable amount of rock, dozens of kilometers thick. This chain reaction ultimately reaches regions of the continents that are far from rift zones,“ explains co-author Sascha Brune from the German Research Centre for Geosciences (GFZ) in Potsdam.

Marchioness of Reading | Festoon Diamond Tiara | Royal Jewels History | Vicereine of India

Marchioness of Reading|Vicereine of India| Festoon Diamond Tiara|British Noble Aristocratic Tiaras Royal Jewel History Royal tiaras Vicereine India jewels royaltiaras diamond tiaras  diadem diademe tiare
Marchioness of Reading|Vicereine of India| Festoon Diamond Tiara|British Noble Aristocratic Tiaras Royal Jewel History Royal

Marchioness of Reading|Vicereine of India| Festoon Diamond Tiara|British Noble Aristocratic Tiaras Royal Jewel History

Ruby and diamond ‚Jarretière‘ bracelet | Marlene Dietrich’s extraordinary jewels from Van Cleef & Arpels

Ruby and diamond 'Jarretière' bracelet | Marlene Dietrich's extraordinary jewels from VCA Van Cleef and Arpels - important jewels, Marlene Dietrich famous jewel , Prestigious  great Jewelry of the World, Ruby: The King of Gems, Extraordinary Jewels, Hollywood Jewels,

The Van Cleef & Arpels ruby and diamond ‚Jarretière‘ bracelet holds a fascinating story, making it one of the most important jewels of all time. This exceptional piece of jewellery stars in Anne Eisenhower’s remarkable collection, all exuding the timeless elegance of old Hollywood glamour.

Marlene Dietrich, renowned for her distinctive voice and trailblazing style, epitomized the essence of Hollywood stardom. A German-American actress, she soared to fame during the transition from silent films to talkies, captivating audiences with her magnetic presence. In the 1930s, Dietrich worked under contract with Paramount Pictures, collaborating frequently with Austrian-American director Josef von Sternberg on notable films like „The Blue Angel“ (1930) and „Blonde Venus“ (1932).

As Dietrich’s fame grew, she expanded her repertoire, collaborating with other legendary directors, including the esteemed Alfred Hitchcock. Dietrich’s Van Cleef & Arpels ruby and diamond ‚Jarretière‘ bracelet, a prominent piece worn by the actress during the filming of „Stage Fright,“ the 1950 thriller directed by Hitchcock. This bracelet has become the star lot in the Magnificent Jewels of Anne Eisenhower .

Prior to entering the collection of the late philanthropist, interior designer, and granddaughter of Dwight D. Eisenhower, the bracelet held a special place in Marlene Dietrich’s heart, both on and off the silver screen. It was the bracelet as one of the most recognizable pieces of Van Cleef & Arpels ever produced, attesting to its iconic status.

Beyond their shared glamour and magnetism, both Anne Eisenhower and Dietrich possessed a strong sense of patriotism. While Anne’s grandfather led the Allied Forces in liberating Nazi-occupied Europe during World War II, Dietrich became a dedicated advocate for the US war effort. After renouncing her German citizenship and becoming a US citizen in the late 1930s, Dietrich utilized her position in the spotlight to sell war bonds during World War II and volunteer at the Hollywood canteen, a popular gathering place for off-duty soldiers, alongside other Hollywood luminaries. She also embarked on two USO tours in 1944 and 1945, entertaining troops in France, Italy, Algeria, and Germany. In recognition of her contributions, she received the Medal of Freedom from the US government and the Legion of Honour from the French government in 1947.

Marlene Dietrich resumed her work on screen and stage in the late 1940s and early 1950s, featuring in notable films such as Billy Wilder’s „A Foreign Affair“ and Hitchcock’s „Stage Fright.“ During this time, she formed enduring relationships with renowned fashion and jewelry houses, including Christian Dior, Cartier, and Van Cleef & Arpels. Dietrich’s close friendship with Louis Arpels, a member of the Van Cleef & Arpels family, led to the creation of one of the most extraordinary pieces of jewelry ever made: her ruby and diamond bracelet.

Crafted in 1937 by Van Cleef & Arpels‘ expert jewellers, the cuff bracelet features oval-shaped rubies, round, square-shaped, and baguette-cut diamonds, all meticulously set in platinum. Notably, the bracelet graced several scenes in Hitchcock’s „Stage Fright,“ as Dietrich’s character,

The VCA ruby and diamond cuff bracelet will be offered by Christie’s New York in June 7th.

Princess Margaret of Connaught | Crown Princess of Sweden Wedding Present – Turquoise Tiara, Turquoise cluster brooch with pendant Turquoise Earrings

Princess Margaret of Connaught | Crown Princess of Sweden Wedding Present – Turquoise cluster and Diamond brooch, Turquoise pendant – Royal Jewel history

Princess Margaret of Connaught | Crown Princess of Sweden Wedding Present - Turquoise Tiara, Turquoise pendant Turquoise Earrings later given to Princess Ingrid the Queen of Denmark then left to Margaret Queen of Denmark - now the present to the 50th birthday of Crown Princess Mary of Denmark - Royal Jewel history

An oval turquoise and diamond cluster brooch and drop shape pendant, and turquoise and diamond cluster earrings once belonged to Empress Catherine II of Russia, also known as Catherine the Great, and inherited through Princess Louise Margaret of Prussia, the Duchess of Connaught, Crown Princess Margareta of Sweden and Queen Ingrid left to Queen Margarete of Denmark. She presented it to her daughter-in-law, crown princess Mary, on their 50th birthday.

Countess Bessborough’s Diamond Tiara| Chaumet Diadem| The Bessborough Tiara

The Bessborough Diamond Tiara

History of The Bessborough Diamond Tiara

The platinum tiara was given from Vere Brabazon Ponsonby, 9th Earl of Bessborough 1880-1956 to his wife, Roberte Countess of Bessborough née Poupart de Neuflize (1892 – 1979) and was also a present from his colleagues from De Beers. The marquise-shaped diamond was offered to the Earl, in 1931, as a gift by the De Beers diamond company, when he left his position of director.

Countess Bessborough Diamond Tiara Chaumet Diadem  chaumet  antiquetiara  bessborough  bessboroughtiara  rosekennedy  history  tiara  amoustiaras  royaltiara  royaltiaras     tiaras  royalty jewelleryhistory  diamondtiara  jewelleryhistory  jewelryhistory  antiquejewels  antiquejewellery
Countess Bessborough Diamond Tiara Chaumet Diadem
Countess Bessborough Diamond Tiara Chaumet Diadem  -Aristocratic Royal Jewels British Royals Diamond Diademe Joyas Reales Realeza Art Deco Tiara Diamond Diadem Diademe Diademas
Countess Bessborough Diamond Tiara Chaumet Diadem -Aristocratic Royal Jewels British Royals Diamond Art Deco Tiara Diamond Diadem

Sold at Christies Auction Magnificent Jewels Geneva May 17th 2023 945 000 CHF

Countess Bessborough Diamond Tiara Chaumet Diadem | England British Aristocratic Noble Jewel History

Roxburghe Tiara | Fleur de Lys Roxburghe Tiara| Duchess of Roxburghe Tiara

THE DUCHESS OF ROXBURGHE DIAMOND TIARA
Circa 1890, detachable and wearable as a necklace, bandeau, and choker.
Estimate: $700,000 – 1,000,000 will be offered by Christie’s Geneva, in May!

Roxburghe Tiara | Fleur de Lys Roxburghe Tiara| Duchess of Roxburghe Tiara

https://royal-magazin.de/england/roxburghe/roxburghe-jewel-fleur-de-lys-tiara-necklace-diamond.htm

Ein Beitrag geteilt von Christie’s Jewellery (@christiesjewels)

Roxburghe Tiara | Mary Duchess of Roxburghe | Fleur de Lys Diamond Tiara | Wedding Gift

Marchioness of Reading|Vicereine of India| Ellipse pattern Diamond Tiara Bandeau Kokoshnik Cartier|British Noble Aristocratic Tiaras Royal Jewel History

Marchioness of Reading|Vicereine of India| ellipse pattern Diamond Tiara Bandeau Kokoshnik Cartier|British Noble Aristocratic Tiaras Royal Jewel History
Marchioness of Reading|Vicereine of India| ellipse pattern Diamond Tiara Bandeau Kokoshnik Cartier|British Noble Aristocratic Tiaras Royal Jewel History

Marchioness of Reading|Vicereine of India| ellipse pattern Diamond Tiara Bandeau Kokoshnik Cartier|British Noble Aristocratic Tiaras Royal Jewel History

Heidi Horten Important Jewels| Extraordinary Emerald and Diamond Necklace rectangular-shaped emerald 68.13ct Harry Winston| Royal Jewel History Famous Jewellery

Emeralds from the Sultan Abdul Hamid -Cartier-the Maharaja of Nawanagar -Princess Anastasia of Greece -Harry Winston to Mrs Heidi Horten

Muzo emeralds are found in the Muzo mines of Colombia.

Heidi Horten Important Jewels| Extraordinary Emerald and Diamond Necklace rectangular-shaped emerald 68.13ct Harry Winston| Royal Jewel History Famous Jewellery
Heidi Horten Important Jewels| Extraordinary Emerald and Diamond Necklace rectangular-shaped emerald 68.13ct Harry Winston| Royal Jewel History Famous Jewellery

The journey of the Sultan’s collection of muzo emeralds from its origins in the Ottoman Empire to its current place in the possession of Mrs. Heidi Horten has been a long and fascinating one. The emerald was initially part of a collection owned by Abdul Hamid II, the last sultan of the Ottoman Empire. When the sultan was forced to abdicate in 1909, his collection of gems was sold at auction in Paris, and his emeralds were purchased by Cartier.

Over the years, the emerald changed hands several times, eventually ending up in the possession of Harry Winston. In 1959, Winston purchased a collection of 17 emeralds from the Maharaja of Nawanagar, six of which were used to create a necklace that included the Sultan’s emerald.

Maharaja of Nawanagar emeralds to Anastasia Princess of Greece Leeds Famous Emeralds - the emeralds of Abdul Hamid - Heidi Horten Important Jewels| Extraordinary Emerald and Diamond Necklace rectangular-shaped emerald 68.13ct Harry Winston| Royal Jewel History Famous Jewellery
Maharaja of Nawanagar emeralds Famous Emeralds – the emeralds of Abdul Hamid – Heidi Horten Important Jewels|

The necklace, which also included pear-shaped and round diamonds, was valued at one and a half million dollars at the time of its creation. Although several potential buyers expressed interest, only one South American seriously negotiated for it, but he ultimately decided to invest his money elsewhere.

Anastasia Princess of Greece Leeds Famous Emeralds - the emeralds of Abdul Hamid - Heidi Horten Important Jewels| Extraordinary Emerald and Diamond Necklace rectangular-shaped emerald 68.13ct Harry Winston| Royal Jewel History Famous Jewellery
Anastasia Princess of Greece Leeds Famous Emeralds – the emeralds of Abdul Hamid | Royal Jewel History Famous Jewellery

The necklace was eventually sold to a European connoisseur, who had it mounted in its current form.

Mr. Horten later purchased the necklace for his wife, who wore it until her death in 2022. Now, the necklace is set to be offered at auction at Christie’s in Geneva in May 2023.

The story of the Sultan’s emeralds is a testament to the enduring appeal of rare and beautiful gems. Despite changing hands many times over the years, the necklace has remained a coveted piece of jewelry, admired for its exquisite craftsmanship and timeless elegance.

For the details of the history:::

Heidi Horten Important Jewels| Extraordinary Emerald and Diamond Necklace rectangular-shaped emerald 68.13ct Harry Winston| Royal Jewel History Famous Jewellery