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=== Diamonds ===
{{Main|Diamond}}
[[File:Diamonds.jpg|thumb|left|upright|[[
Diamonds were first mined in [[India]].<ref>{{cite web |url=http://lgdl.gia.edu/pdfs/janse-table1.pdf |title=Home |work=gia.edu |url-status=dead |archive-url=https://web.archive.org/web/20070926091822/http://lgdl.gia.edu/pdfs/janse-table1.pdf |archive-date=2007-09-26}}</ref> [[Pliny the Elder|Pliny]] may have mentioned them, although there is some debate as to the exact nature of the stone he referred to as ''Adamas''.<ref>Pliny. ''Natural History'', XXXVI, 15</ref> In 2005, [[Australia]], [[Botswana]], [[Russia]] and [[Canada]] ranked among the primary sources of gemstone diamond production.<ref>{{cite web |url=http://www.indexmundi.com/en/commodities/minerals/diamond_(industrial)/diamond_(industrial)_t5.html |title=Natural Diamond: World Production, By Country And Type |work=indexmundi.com |access-date=2007-08-07 |archive-date=2018-06-25 |archive-url=https://web.archive.org/web/20180625083105/https://www.indexmundi.com/en/commodities/minerals/diamond_(industrial)/diamond_(industrial)_t5.html |url-status=live}}</ref> There are negative consequences of the diamond trade in certain areas. Diamonds mined during the recent civil wars in [[Angola]], [[Ivory Coast]], [[Sierra Leone]], and other nations have been labeled as [[blood diamond]]s when they are mined in a war zone and sold to finance an [[insurgency]].<ref>{{Cite web |date=2008-04-21 |title=How the African Diamond Trade Works |url=https://money.howstuffworks.com/african-diamond-trade.htm |access-date=2024-01-22 |website=HowStuffWorks |language=en-us}}</ref>
The [[British crown jewels]] contain the [[Cullinan Diamond]], part of the largest gem-quality rough diamond ever found (1905), at 3,106.75 [[Carat (
[[File:Wedding and Engagement Rings 2151px.jpg|thumb|upright|A diamond solitaire engagement ring]]
Now popular in [[engagement ring]]s, this usage dates back to the marriage of [[Maximilian I, Holy Roman Emperor|Maximilian I]] to [[Mary of Burgundy]] in 1477.<ref>[http://www.slate.com/id/2167870/ "Diamonds Are a Girl's Worst Friend: The trouble with engagement rings"]. {{Webarchive|url=https://web.archive.org/web/20110924213522/http://www.slate.com/id/2167870/ |date=2011-09-24 }}. by Meghan O'Rourke at Slate.com, June 11, 2007.</ref>
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The popularity of synthetic diamonds in the jewellery market has increased significantly due to several factors. Their typically lower price compared to natural diamonds makes them an appealing choice for many consumers. Additionally, the ethical implications of synthetic diamonds have garnered attention, particularly their potential to eliminate the risks associated with [[Conflict diamond|conflict diamonds]], which are mined in war zones and often used to finance armed conflict.<ref>{{Cite web |last=Pearl |first=Diana |date=2023-10-26 |title=How 2023 became the year of the lab-grown diamond |url=https://edition.cnn.com/style/lab-grown-diamonds-popularity-2023-bof/index.html |access-date=2024-11-09 |website=[[CNN]] |language=en}}</ref><ref>{{Cite web |last=Yazdinian |first=Nouriel Gino |title=What Are Lab Diamonds? The Modern Gemstone Revolution |url=https://nyelizabeth.com/articles/f/what-are-lab-diamonds-the-modern-gemstone-revolution#:~:text=Emergence%20In%20Fashion%20And%20Engagement%20Rings |website=NY Elizabeth}}</ref>
From an environmental perspective, the production of synthetic diamonds generally has a smaller ecological footprint than traditional [[diamond mining]], which can result in extensive land degradation and habitat destruction. While lab-grown diamonds do require energy for their production, many companies are actively adopting renewable energy sources to mitigate their environmental impact.<ref>{{Cite web |last=Khan |first=Yusuf |title=Diamonds Made With Solar Power Are Offering Fiancées Ethical Fashion |url=https://www.wsj.com/articles/diamonds-made-with-solar-power-are-offering-fiancees-ethical-fashion-475d1c7b |website=[[The Wall Street Journal]]|date=10 January 2024 }}</ref><ref>{{Cite web |last=Sarnoff |first=Leah |title=Are lab-grown diamonds as sustainable as advertised? |url=https://abcnews.go.com/Business/lab-grown-diamonds-sustainable-advertised/story?id=109046877 |access-date=2024-11-09 |website=[[ABC News (United States)|ABC News]] |language=en}}</ref>
As consumer preferences evolve, particularly among younger generations who prioritize sustainability, synthetic diamonds are increasingly seen as a responsible and modern alternative to mined diamonds. Retailers are responding to this trend by expanding their offerings of lab-grown diamond jewellery, further solidifying their place in the market.
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== Masonic ==
[[File:Masonic jewels.jpg|thumb|Types of masonic collar jewels]]
[[Freemasons]] attach jewels to their detachable collars when in Lodge to signify a Brothers Office held with the Lodge.{{Cn|date=December 2024}} For example, the square represents the Master of the Lodge and the dove represents the Deacon.
== Body modification ==
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== Jewellery market ==
[[File:Kirkkokatu 19 Oulu 20210220.jpg|thumb|The Oulun Koru [[jewellery shop]] at the Kirkkokatu street in [[Oulu]], [[Finland]]]]
According to a 2007 KPMG study,<ref>{{cite journal |last=KPMG India |title=Global Jewelry Consumption |journal=Gems and Gemology |volume=XLIII |issue=Summer 2007 |pages=180 |year=2007}}</ref> the largest jewellery market is the United States with a market share of 31%, Japan, India, China, and the Middle East each with 8–9%, and Italy with 5%. The authors of the study predicted{{Update inline|date=December 2024}} a dramatic change in market shares by 2015, where the market share of the United States will have dropped to around 25%, and China and India will increase theirs to over 13%. The trend of buying jewellery online is also increasing day by day. The Middle East will remain more or less constant at 9%, whereas Europe's and Japan's market share will be halved and become less than 4% for Japan, and less than 3% for the biggest individual European countries, Italy and the UK.
== See also ==
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