In addition, gems must always be judged in person, not via photographs or gemological reports. Therefore we stress that the final judgement on the merits of a gem should always be made according to what the buyer finds beautiful, not what others believe. Note that he made no mention whatsoever of royal blue.
The choicest colors of the sapphire are the cornflower and the velvet-blue. For example, the famed American gemologist, George F. Taste is a dish like sashimi, one that should only be served fresh it's impossible to bottle or clone. We understand that customers would like a neutral party to decide whether or not a ruby qualifies as the "pigeon's blood" type, or if a sapphire is "peacock blue."Īt the same time, with our many decades of work in the industry, we understand that one cannot dictate to others what is beautiful or attractive it depends on the individual. Our reports feature color types because of client requests. What follows is the Lotus Gemology Guide to Color Types. Our definitions are firmly rooted in both history and direct experience, while at the same time understanding that definitions need to be flexible enough to account for gems from recent sources that were unknown to the ancients. Lotus Gemology has been involved with historical research on ruby and sapphire for nearly four decades, and coupled with our tremendous experience working with these stones, is well-equipped to define these color types.
This began with padparadscha sapphire, and has now spread to other varieties, including ruby and blue sapphire. Ruby & Sapphire Color Types Ĩ April 2015 (updated 14 January 2021)-In recent years, gemological labs have been asked to issue color types on reports. A brief description of the color types for ruby and sapphire used at Lotus Gemology.
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