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May 3, 2016 11:05 am  #1


QEII-9 The Queen’s Williamson Pink Diamond Brooch

This message #1 was written by Boffer pre-2013.

9. The Queen’s Williamson Pink Diamond Brooch

   The centre of this brooch is dominated by a large 23.6 carat pink diamond, “considered to be the finest … ever discovered”.[1] This stone had been presented to The Queen, as a wedding gift in 1947, by the “solitary Canadian geologist”, Dr. John Thorburn Williamson.[2]

   This diamond was presented to The Queen as a rough, uncut diamond, weighing 54.5 carats;[3] and it is described in the catalogue of wedding presents simply as “a large uncut diamond”.[4]

   This stone was subsequently cut and polished into its present form between February and April 1948; it was cut by Briefel and Lemer of Clerkenwell, with Queen Mary visiting to inspect their progress “with interest”.[5] The stone was finally finished on 14 April 1948.[6]

   However, there was a considerable delay until the stone was finally set, as Roberts asserts, this was because of “Dr. Williamson’s wish to add further pink diamonds to his original gift. As these were not forthcoming, he added 170 small brilliants, 12 baguettes and 21 marquises instead”.[7]

   These were subsequently set by Cartier into platinum brooch, designed by Frederick Mew.[8] The resulting brooch is described by Roberts as being “designed in the form of a jonquil set with brilliants, marquises and baguettes, the centre of the flower with a large pink brilliant”.[9]

   The Queen wears this brooch occasionally;[10] most notably her Silver Jubilee Celebrations in 1977, the weddings of the Prince of Wales in 1981, of Viscount Linley in 1991, and of the Earl of Wessex in 1999.[11]

1. Roberts, The Queen Diamonds, p. 294
2. Young, The Queen’s Jewellery, p. 47
3. Roberts, The Queen Diamonds, p. 294
4. Marriage of HRH The Princess Elizabeth and Lieutenant Philip Mountbatten, no. 2126, p. 198
5. Roberts, The Queen Diamonds, p. 292; RA QM/PRIV/QMD, 10 March 1948
6. Roberts, The Queen Diamonds, p. 294; Ian Balfour, Famous Diamonds, (Woodbridge: Antique Collector’s Club, 2009), p. 294
7. Roberts, The Queen Diamonds, p. 294
8. Roberts, The Queen Diamonds, p. 294; Cartier Archive, EB.167050
9. Roberts, The Queen Diamonds, p. 294
10. Young, The Queen’s Jewellery, pl. 43; Field, The Queen’s Jewels, p. 102; Roberts, The Queen Diamonds, p. 286 (RCIN 2943738)
11. Roberts, The Queen Diamonds, p. 297

 

July 10, 2016 12:11 am  #2


Re: QEII-9 The Queen’s Williamson Pink Diamond Brooch

9. The Queen's Williamson Pink Diamond

   "In shape the diamond was a cleavage, almost circular in its widest part and rounded over the top but tapered in its short conical lower half."[1] Prolonged study of the stone was required before deciding how to cut it. "But its shape presented a special problem because in the lower half of the diamond there was a deep cavity, equal in size to 3 carats. It was thought that the cutting needed to remove all trace of this pit would be such that the final polished gem could not possibly weigh more than 18 carats. Some experts in fact doubted whether the eventual yield would exceed 14 carats."[2]
 
   It is a tribute to the expertise of Mr Briefel that he came up with the method that permitted the diamond's maximum diameter to be maintained and the cavity was first reduced to a blemish on one of the facets, which was the state of the stone when Princess Elizabeth, accompanied by Queen Mary, visited the factory on 10 March 1948.[3] By the end of March, all trace of the cavity was gone. On 14 Apr 1948, the Princess' private secretary was informed that the brilliant had reached its final weight of 23.6 carats and retained the pink colour that it showed in the rough. It was completely pure and flawless.[4]
 
   The setting of the Williamson Pink in the Cartier jonquil brooch was complimented by the white diamonds which also came from the mine at Mwandi, which is where the pink diamond rough was found.[5] The brooch has 21 marquises with a total weight of 9.73 carats, 12 baguettes with a total weight of 4.64 carats and 170 brilliants with a total weight of 12.40 carats.[6]

   "The brooch was made of platinum and measured 114.3 mm long."[7] It was displayed at "The Ageless Diamond" exhibition in London in 1959.[8]
 
1. Balfour, Ian. Famous Diamonds, 5th edition. Woodbridge, Suffolk: Antique Collectors Club, 2009. p. 292
2. Ibid., p. 292
3. Ibid.
4. Ibid. p. 292-293
5. Ibid., p. 293
6. Ibid.
7. Ibid.
8. Ibid.
 

 

September 25, 2016 12:39 am  #3


Re: QEII-9 The Queen’s Williamson Pink Diamond Brooch

QEII-9 The Queen’s Williamson Pink Diamond Brooch
http://i68.tinypic.com/2lwnmmw.jpg


Princess Elizabeth, Duchess of Edinburgh - 10 Mar 1948 - accompanied by Queen Mary, visited the factory
http://i63.tinypic.com/2me95cp.jpg


Queen Elizabeth II - 1954 - with Prince Charles and Princess Anne
http://i63.tinypic.com/98axqv.jpg


Queen Elizabeth II - 07 Jun 1977 - Silver Jubilee Celebrations
http://i67.tinypic.com/2iavoye.jpg


Queen Elizabeth II - 29 Jul 1981 - at the wedding of her son HRH The Prince of Wales to Lady Diana Spencer
http://i63.tinypic.com/2wf5u0y.jpg


Queen Elizabeth II - 08 Oct 1993 - at the Wedding of her nephew Viscount Linley to The Hon. Serena Stanhope
http://i67.tinypic.com/2je76hh.jpg


Queen Elizabeth II - 19 Jun 1999 - at the wedding of her son HRH Prince Edward, Earl of Wessex to Miss. Sophie Rhys-Jones
http://i66.tinypic.com/333la3c.jpg


The Ageless Diamond Exhibition - 1959 - the brooch is just to the right below "Granny's Chips"
http://i63.tinypic.com/2wcoggm.jpg


The Ageless Diamond Exhibition - 1959 - close up screen save from British Pathe vignette
Link: https://www.youtube.com/watch?v=En4d8NiYHQ0 
http://i66.tinypic.com/2j122hf.jpg


Queen Elizabeth II - 01 Apr 2009 - with President Barack Obama and the First Lady Michelle Obama
http://i64.tinypic.com/2uepqmo.jpg


Queen Elizabeth II - 05 Jun 2014 - during a State Visit to France
http://i65.tinypic.com/ab40uq.jpg

 

 

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