It looks a bit like Celtic Knot work, or properly Interlace, which draws a long history from the Byzantines, used by the Romans and known
predominantly today with its massive use in Celtic Knot Work.
Or as the clarity is not that good and hard to tell, maybe a serpent/snake coiled upwards.
One of my care givers when younger dealed in gold and such, mainly old rings and scrap, as a sideline.
I have seen literally thousand and thousands of different rings, new old, broken, from all over the world, 9ct 14 ct 22 ct, pure Dolgelau Welsh Royal
gold, Asain etc etc... depending on the mine it produces a different colour, feel according to the purity, and other metals, within the mix as
One hell of a Wedding band must be said, very well made indeed, a extremely skilled Gold Smith made this, to order too by the looks of it, and seems
to be of a very high quality 22+ct gold, not of North American origin but maybe North African or Indian. Also parts of South America could be the
I know of no colour similar to that being brought out of mines except in Asia, Parts of north or south Africa, South America or Wales Uk.
Again though this could be due to some digital colour enhancements on the original photographic equipment used, without seeing it, holding it as such,
properly it is hard to be sure.
Interesting, if one of the photoshop guys can clear up the detail on the Knot or Serpent to better identify it.