18 ct. white gold. Fine-white diamonds in total c. 2,57 ct.: in the center 1 single stone of c. 1,07 ct. G.vvsi, surrounded by all together 56 round cut diam. in total c. 1,50 ct. G.vsi. With expertise for the single stone of the Diamant Prüflabor GmbH. Size 54, weight c. 10 g.