Corundum RUBY Loose Stones OVAL Faceted RUBY #8 Lab Created 8 x 10 mm. Corundum Loose Stones Oval Faceted RUBY #8 Lab Created Various Sizes. Gorgeous Oval Faceted Lab Created (Corundum) Ruby #8. Once the lab ruby crystal has been grown, it can be cut and polished to the desired shape and size, just like a natural ruby.
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