This Created Alternating White and Blue Sapphire Tennis Bracelet and Necklace Set is indeed a stunning piece. Crafted in lustrous sterling silver, this dual color 17 inches long stylish necklace showcases 51 round white created sapphire and 52 round created blue sapphire gemstones. The matching classy, 7.25 inch long bracelet features 42 round white and blue created sapphire gemstones set in an alternating fashion. Finished with a brilliant shine. Finished with a brilliant shine. Blue Sapphire is the birthstone for the month of September.