9.50ctw Turquoise Oval Slide Necklace on white gold chain

9.50ctw Turquoise Oval Slide Necklace 14k white gold over rhodium Purchased by me at an online site and stored carefully in a smoke free home. I’m including a screenshot of the description from when I originally purchased it several years ago. I am not a professional jeweler and cannot verify. Purchased for my personal use and worn a handful of times only.