This classic necklace features one 6x4mm oval shape peridot gemstone. The stone measures approximately 0.50 carats. This necklace is in sterling silver and comes with an 18 inch cable chain with spring ring clasp. - Lifetime Guarantee - 60 Day Worry-Free Return - 1/2 Carat Oval Shape Peridot Necklace In Sterling Silver, 18 Inches