As RAZD said the answer is no. We haven't seen a self-replicator molecule in the open because we wouldn't know where to look. These things are
really, really small and, once going, make delightful hors d'oeuvres for any passing amoeba.
Ask your creationist friend, if an abiogenic event took place on his front lawn this morning would he know where to find it before it became dinner? Neither does anybody else. But the chemistry is all there. This world could be experiencing abiogenic events every few months, every couple days, 1000 times a day, and no one would ever know. The question has no effect on the reality of the chemistry we know is there and can duplicate in the lab. We just can not put the entire globe under a strong enough microscope to catch it happening somewhere.
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