This spectacular blue sapphire and diamond Riviera necklace epitomizes luxury, class and style! The 24 beautifully matched oval sapphires weigh over 12 carats total and possess quintessential cornflower blue color that connoisseurs think of when they envision the finest sapphires! Each gem is set in 18k white gold with its own sparkling white diamond halo, then linked together in an exquisite design accented by light lemon yellow diamonds. This stunning necklace was designed to be flexible…