div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=ruby-igi-international-gemological-gemstone-the-quality-of-the-a-rough-guidehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Ruby - IGI - International Gemological · PDF fileRoyal Gemstone the quality Of the A rough guide to the most desirable ruby sources is as follows When one is buying rubies loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220517205a78bc377f8b9a21538ca06ehtml5thumbnails1jpg width=140 height=200 divdiv