Editing Caviar (section)

===Quality factors and cost===
An expensive caviar example at {{convert|1|kg|lb}} sold for £20,000 (then US$34,500) is the Iranian 'Almas' product (from {{langx|fa|الماس}}, "diamond") produced from the eggs of a rare [[albino]] [[sturgeon]] between 60 and 100 years old from the southern [[Caspian Sea]].<ref>{{cite web|url=http://www.guinnessworldrecords.com/world-records/most-expensive-caviar|title=Most expensive caviar|access-date=6 April 2019|year=2019|website=guinnessworldrecords.com}}</ref> Wild beluga sturgeon caviar from the Caspian Sea was priced in 2012 at $16,000 per {{convert|1|kg|oz}}.<ref>{{cite web|url=http://russian.lingualift.com/blog/russian-caviar-roe/|archive-url=https://web.archive.org/web/20121002151223/http://russian.lingualift.com/blog/russian-caviar-roe/|url-status=dead|archive-date=2 October 2012|title=Black Gold: Russian caviar|publisher=Russian Cuisine|author=Angelica Dubinsky|date=18 September 2012}}</ref> Cheaper alternatives have been developed from the roe of [[Coregonus|whitefish]] and the [[North Atlantic]] [[salmon]].{{citation needed|date=April 2019}}

Conventional sturgeon caviar was priced in 2014 at about $105 per {{convert|1|oz|g}} and from albino sturgeon up to $800 per ounce.<ref name="NPR2014">{{cite web | title=No-Kill Caviar Aims To Keep The Treat And Save The Sturgeon | publisher=US National Public Radio | date=30 March 2014 | url=https://www.npr.org/sections/thesalt/2014/03/07/287309630/no-kill-caviar-aims-to-keep-the-treat-and-save-the-sturgeon|author=Alastair Bland | access-date=6 April 2019}}</ref> Other quality factors are texture – with firmness having higher quality value – flavour qualities, such as [[cream]]iness, [[butter]] taste, and brine or mild fish [[aftertaste|finish]], and whether the caviar was taken from the fish by massage (higher value) rather than by killing it.<ref name=NPR2014/> Caviar is generally sold in ounces. An ounce of sturgeon caviar costs between $45 and $1,000, depending on the variety of sturgeon and other factors.