Shirt, $715, by Edward Achour Paris at M Penner; pants, $1,750, by Celine at Neiman Marcus; green agate and peridot earrings, $2,950, at Tenenbaum Jewelers; amethyst and tsavorite necklace, $2,350, by Pomellato at Zadok Jewelers. OPPOSITE PAGE Dress, $495, by Alexie at Tootsies; hoop earrings, $1,995, bracelet, $8,900, by Laura Munder, and peridot ring, $3,780, all at Tenenbaum Jewelers; diamond bezel watch, $32,500, by Hublot at Zadok Jewelers.