The marks you see on the back are not tool marks,the base for the top of the ring was very overheated and almost melted when soldered together or...
The ring construction is poor possibly student/hobbyist made. The stone could be cuprite/malachite combination.
It looks much newer,without being able to read the marks it could be after the 1960's and related to the King Tut exhibition tour time period.
Egyptian god Horus,casting porosity in ring with poor finishing on inside of ring.Maker's stamp mostly sanded off,probably a modern tourist item.
Could Google "antler tip jewelry"images and see a hundred or more pieces.
Looks like an antler tip.
The script looks like it may be Ottoman Turkish,so the stone could be much older than the sterling ring.Since the "alphabet" was changed from...
The top ring looks like it has a mythical sea creature,a jelly fish with octopus tentacles.
Has it been tested for gold content? The stone looks synthetic,maybe spinel.The metal workmanship is a failure,maybe a 3 out of 10.Casting...
Most of the stones appear to be some type of quartz.White stone with blue specs maybe calcite with lapis, turquoise(mystery dyed something).The...
Could have been made sometime in the last 50-60 years by NA/student/hobbyist,etc.If it is sterling there is no requirement that it be marked for...
The lenses were probably "glued" together with Canadian balsam,modern Epoxy 330 works well for reglueing.
White gold top appears to be die struck with soldered plate for the diamond.The bottom yellow gold gallery can't be enlarged to see the detail,but...
The box may look similar but the tools are very different.The brass plate appears to be a wire draw plate,the other tool looks like some kind of...
The crown and table are facing the bottom of the setting.
Factory reject/bad quality control? The "shield" shaped stones appear to have been mounted backwards and the "detailed" back of the setting should...
Looks Aztec.
Is the plate solid brass or are the holes "lined" with steel?
Looks like steel,check with a magnet.
Water buffalo horn
Separate names with a comma.
