Vintage Art Deco style ring 18k gold ruby. Beautiful cocktail ring in 18 karat yellow gold (tested with acid), set with a central oval ruby of approximately 3–4 mm (≈0.25–0.35 ct), surrounded by 24 trapezoidal rubies of about 2 mm each (≈0.6 ct in total), as well as small diamonds arranged around the central motif. • Metal: 18 karat yellow gold (tested with acid) • Total weight: ≈5.3 g • Size: 56 (FR) • Stones: • Rubies (not certified), estimated total weight ≈0.85–1 ct • Small diamonds • Condition: Very good overall condition Condition: Pre-owned: Item has been worn. ...Pre-owned: Item has been worn. any possible imperfections. Dominant stone: Ruby Type: Set ring Style: Art Deco Size: 56 Metal purity: 18 karats Style: Art Deco Dominant stone color: Red Metal: Yellow gold Secondary stone: Diamonds Type: Set ring Creation of the dominant stone: Uncertain origin.