Small concepts you need to know; it is very important to know, at all times, what you are buying.
Is it wrong to buy a synthetic diamond? NO, provided the seller says IT IS A SYNTHETIC DIAMOND. This means it will be cheaper and that both the buyer and seller are on equal terms,and the buyer won´t feel cheated. Because he/she is buying a diamond, with all its physical characteristics, albeit a man-made diamond, so its price will be noticeably cheaper.
Is it wrong to sell a treated rubythat has been filled with lead glass? NO, provided the seller specifies this information and explains that lead glass-filled rubies have a low economic value, as very often there is a higher quantity of lead glass than of ruby. Lead glass is easily damaged, so it requires special care and handling, because any damage is irreversible.If the buyer knows all of this and still decides to buy the ruby, then the transaction is completely ethical.