Ross-Simons - 2.50ct t. w. Peridot Station Necklace, .12ct t. w. Diamonds. 16". Showcasing its splashy citrus hue, a shimmery 1.50 carat peridot round anchors this elegant necklace from within a sparkling halo of .12 ct. t. w. round diamonds. Crafted in polished 14kt yellow gold with 1.00 ct. t. w. peridot rounds stationed along a classic rope chain. Includes a 2" extender. Springring clasp, diamond and peridot necklace. Peridot birthstones are the perfect gift for August birthdays.