Valens Legacy Posted March 7, 2023 Share Posted March 7, 2023 16 hours ago, GB_Amateur said: Please elaborate on this -- that open back implies a real gemstone. (Presumably the opposite is NOT true -- closed back implies a fake gemstone?) Most gemstones such as diamonds will refract a better color without a backing. That is why most diamonds have no backing. Other gemstones that I have seen also use little to no backing on high quality pieces. I could be wrong, but that is what I have been told by jewelers in the past. 2 Link to comment https://www.detectorprospector.com/topic/21977-a-short-park-hunt-reveals-a-couple-of-surprises/page/3/#findComment-236002 Share on other sites More sharing options...
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