{"id":101,"date":"2009-11-04T05:36:00","date_gmt":"2009-11-04T05:36:00","guid":{"rendered":"https:\/\/sandrock.co.za\/carl\/2009\/11\/04\/optimal-diamond-cutting\/"},"modified":"2009-11-04T05:36:00","modified_gmt":"2009-11-04T05:36:00","slug":"optimal-diamond-cutting","status":"publish","type":"post","link":"https:\/\/sandrock.co.za\/carl\/2009\/11\/optimal-diamond-cutting\/","title":{"rendered":"Optimal diamond cutting"},"content":{"rendered":"<p><a href=\"http:\/\/www.abc.net.au\/reslib\/200909\/r444045_2148284.jpg\"><img decoding=\"async\" style=\"margin: 0pt 0pt 10px 10px;float: right;cursor: pointer;width: 285px;height: 190px\" src=\"http:\/\/www.abc.net.au\/reslib\/200909\/r444045_2148284.jpg\" alt=\"\" border=\"0\" \/><\/a><br \/>So, they found a <a href=\"http:\/\/www.abc.net.au\/rural\/content\/2009\/s2700807.htm\">big diamond<\/a> in Argyle the other day, which got me thinking about finding the optimal way of cutting a rough diamond.  Key parts of this is knowing the value of different cuts of different sizes, which a colleague of mine told me is documented in a thing called the <a href=\"http:\/\/www.diamondhelpers.com\/ask\/0037-whatisrapaport.shtml\">rapaport<\/a>.  This gives the value of certain cuts of diamond for different weights and qualities.<\/p>\n<p>So I was thinking that one could scan the diamond, build a 3d map of it and then try to maximise the value realised from the diamond by fitting cut diamonds into the rough diamonds.  Things to consider:<\/p>\n<ul>\n<li>Inclusions reduce the value of diamonds, <\/li>\n<li>Diamond prices are nonlinearly related to weight<\/li>\n<li>Cutting and polishing is a time-consuming and expensive process<\/li>\n<\/ul>\n<p>Some of these points have been addressed with some significant simplifications in <a href=\"http:\/\/www.orsnz.org.nz\/conf37\/Papers\/Viswambharan.pdf\">this paper<\/a>, but there is a lot of scope for improvement.  Too many ideas, too little time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>So, they found a big diamond in Argyle the other day, which got me thinking about finding the optimal way of cutting a rough diamond. Key parts of this is knowing the value of different cuts of different sizes, which a colleague of mine told me is documented in a thing called the rapaport. This [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[],"tags":[132,155,178],"class_list":["post-101","post","type-post","status-publish","format-standard","hentry","tag-diamonds","tag-idea","tag-optimisation"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/posts\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/comments?post=101"}],"version-history":[{"count":0,"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/posts\/101\/revisions"}],"wp:attachment":[{"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/media?parent=101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/categories?post=101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sandrock.co.za\/carl\/wp-json\/wp\/v2\/tags?post=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}