Looks like rolled gold and has had a couple repairs.
With the clover and possibly Connemara stone it could be Irish.
There are a few blue green on this page. https://langfordgems.com.au/product-category/faceted-gemstones/sapphire-australian/
Probably made sometime in the last 50 years,made in Mexico,Google it and will see prices depending on size.
18CT shank platinum setting. Photo too out of focus to see the diamond cuts.
Aztec calendar crushed stone in resin.
Possibly Middle Eastern and Eilat Stone.
Looks like the engraving was done by an amateur with a concrete nail.
Nice video of the process of granulation for those who are interested,23 minutes. [MEDIA]
Try tube box clasp.
Cabin 47 maybe?
You might want to read the description in the OP's first post.According to the rings with measurements the diamonds sell for $6 each.
The Kovel's link is dated 2017 same necklace.
Looks like faux glass star sapphires.
Probably water buffalo horn................
Like the glass filled rubies and other treatments that are not disclosed.......
What compounds are you using? Water soluble rouge washing off easily. Info on stones etc.that do not belong in an ultrasonic cleaner....
This popped up on an engraving forum,interesting video....
Seems to be a number of them............
The stones look like garnets. Photo help... https://www.antiquers.com/threads/posting-a-thread-and-uploading-pictures.15990/
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