tag:blogger.com,1999:blog-61578860083109840422024-03-13T06:10:18.729+05:30All Sapphires, engagement rings and loose sapphiresThe blog of AllSapphires.com
We will publish some new arrivals,
The production process of some rings and profetional gemological articlesallsapphireshttp://www.blogger.com/profile/17630475488993370055noreply@blogger.comBlogger361125tag:blogger.com,1999:blog-6157886008310984042.post-74642376168514220832023-01-05T11:14:00.006+05:302023-01-05T11:21:24.579+05:30The famous Hope Diamond<div><br /></div><br /><div><br /></div><div>The famous Hope Diamond<div><p class="MsoNormal">The Hope Diamond is one of the most well-known diamonds in
world history. It is associated with myths, kings, and even some superstitions.
This fancy deep greyish blue diamond, which weighs 45.52 carats, has a history
that cannot be matched and possesses an extraordinary combination of physical
properties. Throughout its long history, it has come into contact with various
members of the French monarchy, specifically Kings Louis XIV through XVI, and
most likely with King George IV of the United Kingdom. It has been owned in the
past by affluent merchants as well as some of the most well-known individuals
in the world of jewellery, such as Pierre Cartier and Harry Winston.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The tale of how the Hope Diamond came to be.</p>
<p class="MsoNormal">Henry Philip Hope, a wealthy British banker who was an avid
collector of gems and paintings, is credited with being one of the first owners
of the Hope Diamond. The Hope Diamond got its name from him. When Hope passed
away, he left behind a number of possessions, including this diamond, which
remained in this family until 1901, when it was finally purchased by a
jeweller. After that, it changed owners a few times, before being purchased in
1912 by Evalyn Walsh McLean, a socialite in Washington, District of Columbia.
She was the owner of the property until her passing in 1947. The Hope Diamond
was donated to the Smithsonian Institution in 1958 by its previous owner, Harry
Winston, who had owned it for the previous eleven years. This precious jewel
now belongs to the people of the United States.</p>
<p class="MsoNormal">The history of this famous diamond begins with a question:
how did it come to be? Everything can be traced back to the Tavernier Blue, a
blue diamond weighing 115 carats that was transported from India to France in
1673 and bought by King Louis XIV, also known as the Sun King. The stone was
reworked by his royal jeweller into the 69-carat French Blue, and it was
fashioned with a gold backing that made it possible for the sun to shine within
the blue field that is at the stone's centre.</p>
<p class="MsoNormal">The stunning blue diamond pictured here was taken during the
Revolutionary War in France in 1792. Twenty years later, in London, a blue
diamond of 45 carats, which was significantly smaller but still spectacular,
was discovered. It wasn't until just a few days after the twenty-year statute
of limitations for crimes committed during the French Revolution had passed
that this diamond, which would eventually become known as the Hope Diamond, was
discovered. On the other hand, there is scant evidence to suggest who might
have been responsible for the re-cutting of the gemstone. It wasn't until the
middle of the 2000s that credible evidence emerged to support the theory that
the Hope Diamond and the long-lost French Blue Diamond were actually the same
precious gem. This theory had been widely discussed for many years.</p>
<p class="MsoNormal">What was it about the Hope Diamond that caused it to garner
the attention of such prestigious individuals, including royal families? The
Hope Diamond was evaluated by the Gemological Institute of America in 1988 and
1996, and both times it was given the following characteristics: it had a
cushion shape, antique brilliance, VS1 clarity, and a fancy deep grayish-blue
colour (the result of an incredibly high concentration of observable boron
impurities).</p>
<p class="MsoNormal">99% of all diamonds, contain significant levels of nitrogen
impurities, while the remaining 1% contain very little to almost no detectable
nitrogen at all. Boron can be found in less than 0.1% of diamonds, which
includes the Hope Diamond. Of these diamonds, the vast majority have lower
quantities of boron than the Hope Diamond, the majority of them having less
than 0.5 parts per million. Boron can be found in the Hope Diamond. Therefore,
any natural diamond with such a high quantity of boron is exceedingly unusual,
and the occurrence within such a large diamond is truly rare. </p>
<p class="MsoNormal">The fiery red phosphorescence of the Hope Diamond is yet
another one of its extraordinary characteristics. When ultraviolet (UV) light
is shone on the diamond, it will glow for longer than one minute like an ember
that is still burning. Boron was incorporated into the diamond during the
formation of the gemstone, which is responsible for both the blue colour of the
diamond as well as the red phosphorescence that it exhibits. These boron atoms
interact with other impurities within the diamond when the diamond is subjected
to short-wave ultraviolet light, which is what causes the gemstone to emit
visible light. This characteristic of the diamond is quite distinguishable due
to the brilliant red glow that it emits and the length of time that it remains
active.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Despite the fact that the history of the Hope Diamond has
been shrouded in superstition and rumours of a curse for decades, scientific
investigations of the diamond, particularly over the course of the last twenty
years, have revealed many of its long-guarded secrets. These more recent
research endeavours include computer modelling that convincingly demonstrated
its origin as the French Blue, spectroscopic details and origins of its
phosphorescence, as well as determination of both its total boron concentration
as well as its observable boron concentration.</p>
<p class="MsoNormal"><br /></p>
<p class="MsoNormal">It is fortunate that this diamond got its name from one of
the first documented owners, Hope, despite the fact that it went through many
owners before ending up in the Smithsonian, where it will continue to captivate
millions of visitors. The feeling of hope is something that is shared by all
people on the planet, and it is an apt descriptor for this priceless gem.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Which myth have you listened about hope diamond? Tell us in
the comments. Please subscribe to our channel for more. </p>
<p class="MsoNormal"><o:p> </o:p></p><br /></div></div><div id="gtx-trans" style="left: -117px; position: absolute; top: 3.63352px;"><div class="gtx-trans-icon"></div></div><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="" class="BLOG_video_class" height="266" src="https://www.youtube.com/embed/wPCWtfNkXkE" width="320" youtube-src-id="wPCWtfNkXkE"></iframe></div><br /><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="" class="BLOG_video_class" height="266" src="https://www.youtube.com/embed/wPCWtfNkXkE" width="320" youtube-src-id="wPCWtfNkXkE"></iframe></div><br />allsapphireshttp://www.blogger.com/profile/17630475488993370055noreply@blogger.com0tag:blogger.com,1999:blog-6157886008310984042.post-69636884289460314652022-02-08T13:12:00.001+05:302022-02-08T13:12:54.381+05:30Light yellow sapphire #shorts SKU AL 009<iframe width="480" height="270" src="https://youtube.com/embed/SzR8gh03uHM" 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