A Vintage Aquamarine and Diamond Ring. The Fine Rectangular Octagon Aquamarine weighs 20.11 cts (17x14.5mm). Shank stamped 750 - 18 Carat yellow gold. This is a large aquamarine ring -A Stunning Aquamarine cocktail ring

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A Stunning Aquamarine ring : A Vintage Aquamarine and Diamond Ring. Rectangular Octagonal Aquamarine 20.11 cts. Shank stamped 750 (18ct Gold)