A Russian ( 20th century ) custom made Turquoise and Diamond Ring set in Rose Gold and Platinum. The 20 round brilliant cut diamonds weight 1.42 cts and are a fine quality E,F,G with VVS, VS clarity and very good cut. ( see appraisal in thumbnail pictures )The Turquoise sits atop a tapered conic shaped mount encrusted with diamonds which are set in Platinum. The band and undercarriage are Rose Gold . The ring is very finely executed. It measures size 8.5 and can be resized. It is in excellent condition.