18k two tone gold custom Diamond Necklace made by our Master Jeweler. The necklace contains one (1) 0.64 carat square cut natural fancy yellow diamond and 0.69 carats in round brilliant cut natural diamonds – for a combined diamond weight of 1.33 cttw. Two Tone gold diamond chain included. Our team of GIA Graduate Gemologists handpick and match each diamond by color, clarity, and cut to ensure unified quality and brilliance for generations.