14k yellow gold pendant showcasing a 7.0 carat opal framed by an open halo of round brilliant cut diamonds. The diamonds have a total weight of 0.60 ct. with HI color and SI1-2 clarity.The opal measures 24mm x 16.5mm. It hangs from a 16" mariner link chain. Circa 1960s. Appraised Value $4,200.00