A ruby, diamond and fourteen karat gold ring. Photo courtesy Bonhams. 

set with an oval ruby cabochon; within a scalloped circular-cut diamond and ruby surround; ruby weighing approximately 27.00 carats; size 5 1/2. Estimate: US$ 30,000 - 50,000 (€22,000 - 37,000) (£19,000 - 31,000)