18K (750) gold ring, featuring an oval color-changing sapphire set with two rounded old-cut diamonds, the setting embellished with smaller old-cut diamonds on platinum. Finger size: 51. Dimensions of sapphire: approx. 9.5 x 7.6 x 6.4 mm. Gross weight: 4.2 g (chips) The sapphire is accompanied by a GEM-Paris pre-report (2024) attesting: origin Sri Lanka, unheated. A natural sapphire (Sri-Lanka, unheated) and diamond ring