This luxurious Le Vian ring is made of 18K white gold. It contains an AGL certified (American Gemological Laboratories) natural pinkish red ruby weighing 6.40 carats from Mozambique accentuated by 2 half moon cut diamonds G-H color, VS-SI clarity weighing 1.20 CTTW, and 148 round cut diamonds G-H color, VS-SI clarity weighing 0.30 CTTW.