Centring on an oval colour changing spinel weighing 4.08 carats, embellished with brilliant-cut diamonds extending to the shoulders, mounted in platinum. Ring size: 6
Accompanied by Lotus report numbered 8936-4172, dated 5 February 2018, stating that the 4.08 carat spinel is natural, Violetish Blue colour, of medium-deep tone and rich saturation, with no indications of heating or treatment; with color type, stating that 'This gem displays a rare change-of-color effect between daylight and incandescent light.'; and notes, stating that 'Due to this gem's high degree of clarity, origin determination is not possible'.