This 18kt yellow gold diamond and peridot pendant necklace is a vintage piece from the 1960s. The pendant, measuring 1.20 x 0.60 inches and weighing 8.70 grams, features a central peridot of approximately 6.00 carats surrounded by about 0.92 carats of diamonds. The pendant hangs elegantly from a gold chain of approximately 17.50 inches in length.