Rings Necklaces Pendants Bands Left - This verdant 10.29 carat Tourmaline hails from East Africa. It is set in 18K Yellow and White Gold and is accented with 90 Diamonds which equal a total weight of .46 carats. Right - This rich and lustrous 15.03 carat Tanzanite is set in 18K White Gold. Albert has incorporated 138 brilliant cut Diamonds into the elegant and timeless design.