10k gold diamond onyx ring

* Original, one-of-a-kind vintage piece circa 1960s * Vintage designer PSCO Plainville Stock Company est 1886 Massachusetts * In excellent vintage condition * Intricate filigree and set in 10k solid gold framing a black onyx stone with diamond accent in the Center. Gorgeous detail all around and truly embodies vintage statement fine ring. measurements * Ring size 7.25 * Onyx 8mm across by 15mm in length * 3 grams total weight