Antique Art Deco 10K Gold Onyx & Single Cut Diamond Ring by Star Ring Co. The ring is in excellent estate condition and ready to wear. It is hallmarked 10K and a 5 pointed star inside a circle, which is the makers mark of the Star Ring Manufacturing Co. of Buffalo NY in business from 1919 to 1965.

The ring is a size 8 - 8.25 and weighs 3.8 grams. The rings face measures 17mm x 19mm.

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