18K (750) gold ring, featuring an oval ruby surrounded by old-cut diamonds, set with rose-cut diamonds on platinum. Finger size: 51/52. Ruby dimensions: approx. 11.5 x 6.9 x 4.3 mm. Gross weight: 4.8 g The ruby is accompanied by a GEM-Paris report (2024) attesting: Myanmar origin, no modification or heat treatment observed, moderate presence of colorless oil. A ruby (Myanmar, natural) and diamond ring