Band ring with ruby, emerald, sapphire and 5 brilliant-cut diamonds totaling 0.43 ct (eng.),

Band ring with ruby, emerald, sapphire and 5 brilliant-cut diamonds, totalling 0.43 ct (engraved), RW-WHITE/VS-SI, faceted oval-cut ruby, faceted round-cut emerald, faceted pear-cut sapphire, 18K yellow gold, 7.7 g, ring size: 50, W: approx. 5.6 - 8.6 mm, late 20th/early 21st century, signs of wear, with hallmark 'WZP'.