Sapphire and Diamond Ring with Black Sapphires

Titanium, 18ct white gold, sapphire and diamond ring, the undulating, concave disc is pave-set with circular-cut sapphires framed by similarly set brilliant-cut diamonds, the edge of the disc accented with a continuous line of brilliant-cut diamonds and the underside of the disc and shoulders partially pave-set with circular-cut black sapphires, the sapphires and diamonds together weighing approximately 16.60 and 2.55 carats respectively, size O.