Gem testers only give an approximate type,garnets are a family group and contain different minerals.You may need to look up info for your tester...
Tin is the main metal in the alloy...... https://www.craftedcupcompany.com/about-pewter/
Maybe no one understood what is in the photo in post #11.The OP's ring was never stamped with hallmarks,it was cast from a wax model with the fake...
You are saying Hessonite is accurate but unsure about garnet? Hessonite is garnet.
It's a cotter pin clasp..... http://www.ofrei.com/page286.html
The hallmarks on your ring were not stamped by an assay office.
How do you know blue topaz was unknown to the Georgians or Victorians?
The clasp could have been produced a year ago,photo too small.
Looks like a fake mark from China or elsewhere. Maybe no one else sees what I do,very clear in post#11.
Or try a soft toothbrush and baking soda paste.
It can't be verified as NA.It looks like a trading post/train station piece,could have been made by a NA silversmith in a factory and can't be...
The photo is too out of focus,but looks like the dots were added after the design was stamped.You did know that on any repossee piece that chasing...
Somewhere on the forum there is a discussion of a die stamped copper "The Last Supper" like this one..............
If it is copper plated iron,it can be checked with a magnet.
The box looks like a bento box.
A planished/hammered band and a diamond in a bezel surrounded by a "cup". Unless you already have the diamond it won't be $2000. The sapphires in...
The bubbles look like dross and spatter from a cutting torch.But without seeing the whole piece in person it is hard to tell.
Looks like it was die stamped and a heavier "frame" brazed to it.
Tube box clasp are still made today,yours looks older though.
Size of the faceted stones?And a side view of the stones.
Separate names with a comma.