Blue Sapphire and Diamond halo pendant necklace in 18k white Gold. Natural diamonds and natural sapphire set in 18k white gold. The sapphire is natural and treated, allowing you to obtain a jewel of good size and quality but at a very attractive price. The sapphire is very clean and without inclusions, very nice and uniform color. Watch the video to grasp the nuances! The halo of very high quality diamonds illuminates and magnifies the central sapphire. This solitaire necklace is made from the