This 10k gold curved bar scatter necklace in shades of blue is a regal take on fashion. 10k yellow gold 5. 0 x 2. 5mm marquise and round-cut blue lab-created ceylon sapphire princess- and round-cut blue lab-created sapphire baguette- and round-cut white lab-created sapphire 18. 0-inch rope chain; spring-ring clasp