Under the Sea: Haute Jewelry by Judith Ripka, Tiffany & Co., Laura Beaudry and more

Lugano Diamonds Pearl and Sapphire Earrings with 14.5-mm to 17.0-mm Silver Baroque Pearls, 4.94 carats of Blue Sapphires, 0.41 carats of Round Brilliant-Cut Diamonds, Set in 18-Karat Black Gold, price upon request. Available at Lugano diamonds, 620 Newport Center Drive, Suite 100, Newport Beach, CA, 949.720.1258

Tiffany & Co. Jean Schlumberger La Meduse Brooch inspired by a Portuguese man-of-war with 18-karat gold tentacles, $115,000, available at Tiffany & Co., 727 Fifth Ave., New York, NY, 212.755.8000

Van Cleef & Arpels Birds of paradise ring set in 18-karat white gold with blue sapphires and diamonds, price upon request. available at London Jewelers, Americana Manhasset, 2046 Northern Blvd., Manhasset, NY, 516.627.7475

Cartier Secret cuff watch with sapphire cabochon weighing 24.29 carats, four rose-cut diamonds totalling 8.53 carats, 2,540 brilliant-cut diamonds totalling 53.35 carats, Quartz movement, price upon request. Available at Cartier, 653 Fifth Ave., New York, NY, 212.446.3400