Princess Cut Aquamarine & Diamond Pendant Necklace in solid 9ct white gold. Size: 12.7 x 19.1 mm (0.5 x 0.75 in). Material: White Gold. Total metal weight: 1.27 gr. Princess cut aquamarine (7 x 7 mm) = 1.45 ct total. Round brilliant cut diamond (1 x 1 mm, H colour, SI1 clarity) = 0.09 ct total. Colour: Blue. Stone cut: Princess Cut. Occasion: Wedding, Mother's Day. Anniversary: 19th Anniversary. Birthstone: March.