This gorgeous necklace is made of solid 18k white and yellow gold. Containing a 2.75″ pendant, hanging on a 20″ chain. The pendant is a 56.50ct (approximate) genuine oval cut tanzanite. Stylishly decorated with approximately 4.00ctw genuine VS2-VI1 yellow diamonds. Finely detailed with approximately 2.00ctw genuine VS2-SI1/G-H diamonds.