Antique Victorian Halley's Comet Flat Cut Garnet Necklace Pendant Foiled vtg

Description

Here is a stunning antique Halley's Comet flat cut garnet with foil backing necklace pendant. I believe the pendant is 9kt rose gold but am not certain. When I originally acquired it, it was a pin/brooch. I thought it would look amazing worn around the neck, so I took it to a jeweler a long time ago and had it made into a pendant (pin hardware removed, jump ring added). The pendant itself (without the jump ring) measures approximately 1".
There is a little bit of tarnish.
The 17" necklace chain in the photos is 14kt gold filled (not antique). It can be purchased if buyer is interested. It's not included.
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