- vintage - marked and tested 10k gold - Ruby (oval cut) - stones measures approx: 8.5mm x 6.5mm Carat weight approx: 1.46ct - size 6 1/2 - weighs 2.2 grams Vintage Onyx Ring, Rubin Ring, Red Band, Rope Design, Onyx Ring, Ruby Ring, Earrings Photo, Smoky Quartz, 10k Gold