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Only for their own branded diamonds, there's no requirement that other manufacturers add any distinguishing feature.
by Johnny555 8y ago
Only for their own branded diamonds, there's no requirement that other manufacturers add any distinguishing feature.
- emodendroket 8y agoI'm pretty sure that most do something similar regardless.
- Johnny555 8y agoUnless they were trying to sell their lab-grown diamonds as "natural-made", and they'd induce impurities and minor inclusions.