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14k Gold Ring c1970 with a Lab Ruby - UV Test Illustrated

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Ruby Jewelry8 of 37Jewellery Find in my own Home14ct Gold Ruby Pendant & Earring/brooch Hallmarked Birmingham 1978 LW
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    Posted 5 years ago

    (38 items)

    An easy test for rubies to perform at home: a lab created ruby glows a bright red under black light /UV light. A natural ruby would have very weak glow. Gemologists say there exists one variety of ruby that also has a strong glow but it's so rare and expensive that the likelihood of us coming across it at a flea market is nil.

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    1. Efesgirl Efesgirl, 5 years ago
      Thanks for the tips, davy!
    2. katherinescollections katherinescollections, 5 years ago
      Great tip, Davy, thanks for sharing! :)
    3. kyratango kyratango, 5 years ago
      A simple way of testing :-)

      I posted some views too:
      Rubies under black/UV light. | Collectors Weekly
    4. shareurpassion shareurpassion, 5 years ago
      Nice ring. I was just going to say I think Kyra informed me of this two days ago on my ring, either that or the link she referred me to on the spinel said this also.
    5. shareurpassion shareurpassion, 4 years ago
      Out of curiosity, when did labs start creating gems? Do you know. I would love to know.
    6. kyratango kyratango, 4 years ago
      Sue, first lab created gems date from end 1800'. They must have the same physical propertied than genuine, chemical components have to be the same, only there is no impurities and a distinctive uniform aspect.

      There is different process, see there:

      An Introduction to Synthetic Gem Materials

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