This is a vintage gold quilted ring band made by a boutique brand Ethyl.
Circa 1960's
Details:
Two round brilliant cut diamonds weigh ~0.10 carats
F/G VS color and clarity
Black enamel within the lining of the quilted pattern
creating depth and texture.
Ring size 4.75
Solid 8.5 grams
All hallmarks stamped in the band
