14K Gold Onyx 1940's Ring Silver not quite a 1/2 carat)

not quite a 1/2 carat) with three rectangle diamonds on each side

The mark was ‘Eisenberg Originals’ from 1935 to about 1945

I can't get the diamond tester to hold on the small stones

These measure approximately 0

14K Gold Onyx 1940's Ring Silver not quite a 1/2 carat)Offering a 14k gold ring with a square octagonal onyx stone from the 1940's from a local estate. Ring is a size 9, weighs 14. 9 grams. Surface wear consistent with age and wear, no damage to the onyx stone. Marked and tested 14K. The 8 sided onyx measures 12mm x 11mm, the gold top measures 17mm x 22mm at the widest and the band is a comfortable 5mm wide.