round pendant with marquise shape and round faceted light and dark green stones, stamped "18K, 925" and with maker's mark, 2 x 1-1/2 in., on sterling silver woven chain 20 in. lg., 36.6 grams, light wear and scratches; matching ring with marquise shape and round faceted green stones, stamped "18K, 925" and with maker's mark, size 7-1/4, 7.7 grams, light tarnish and wear; matching earrings, each with one cushion shape checkerboard cut light green stone, stamped "18K, 925" and with maker's mark, 7/8 x 1/2 in., 7.7 grams, light wear