4 Carat + Ruby, Exclusive Ruby, Ruby Mozambique, Natural Ruby, 4.54 Cttw., Mozambique Ruby, African Pinkish Red Ruby, Ruby Gemstone. Origin known: Mozambique. Gem Type: Ruby. Ruby is a variety of corundum that gets its red color from chromium,is one of the highest valued colored gemstones, in fact, large rubies can fetch higher prices than equivalently sized diamonds.Ruby typically displays inclusions and these are tolerated as part of the nature of the stone.
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