https://biz.prlog.org/au/diamonds/ diamonds - Australia - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/Garry_Holloway/ Diamond expert Garry Holloway, geologist & jeweller for +40 years. International inventor of tools: patented Holloway Cut Advisor (HCA) Director of www.Pricescope.com global lecturer. R&D tools used by all big diamond cutters & grading labs like GIA.Fri, 18 Dec 2015 04:24:38 GMT