Statement Necklace large Jasper-like Stone Pendant gold flat chain NOS princess

Statement Necklace Large Oval Jasper-like Stone Pendant new old stock, never worn no markings, actual material content unknown gemstone looks like jasper, opaque cream base, almost pink, with green occlusions set in gold color gallery antique style flat gold chain princess length 18" pendant 1.75" x 1.25" crab claw clasp questions? please ask!