featuring a pair of mabe pearls, 17.5 - 18 MM, circled by carved black onyx and accented by 16 round brilliant cut diamonds in 14K white and yellow gold with clip backs. Stamped, "18K 750." 24.4 grams. Provenance: From the estate of the late Mrs. I. C. Deal, Dallas, TX. 1" DIA., Circa - 20th C.