18 ct. white gold. In prong setting the unheated ruby in oval cut approx. 2,20 ct. (approx. 9,7 x 7,00 x 3,50 mm, no indications of heating, moderate amoung of oil in fissures). With 18 round brillant cut diam. in total approx. 1,25 ct. Rare White(G)/White(H). Size modified 47, weight approx. 6,1 g. Details of the ruby according to Gemmological Certification Services London dated 2020. -