Citrine & Diamond Ring 10kt Yellow Gold. This is a beautiful 10kt yellow gold ladies ring in citrine and diamonds. The ring is set with a modified round cut citrine weighing Â 0.25cts and six round brilliantÂ cut diamonds (1.11cttw). The citrine is medium-dark, moderately strong, Yellow in color. The ring, size 7 1/4, was cast and handset with bright polished finish. It is in very good condition and comes with an appraisal of $1875.00.