A ruby and diamond ring, Andrew Grima © 2002-2010 Bonhams 1793 the oval-shaped ruby within a surround of square-cut diamonds further accented with square and baguette-cut diamonds down the sides, completed by a broad bark-textured mount; signed Grima;...

Multi-colored sapphire and colored stone necklace, Michele della Valle Comprising 22 spheres pavé-set with numerous multi-colored sapphires weighing approximately 394.95 carats, accented by various colored stones including peridots, citrines, iolites,...