Tanzanite, Diamonds 18K White Gold Earrings, E 0144-1118 Karat White Gold, Tanzanite, Diamonds Earrings Tanzanite 2. 61 ct Diamonds 0. 57 ct Introducing Earrings crafted from delicate 18 Karat White Gold, which in company with two Tanzanites and 116 Diamonds around it, creates a truly noble look. But the main detail here is still the texture of the metal of the Earrings and the base under the Tanzanite. This braided pattern adds a unique touch to Earrings! 13. 80 x 16. 80 mm (WxL) Weight 9. 60 gm.