Featured is a precious natural blue sapphire and diamond ring certified by EGL USA to show no signs of heat treatment and to be of the Madagascar variety. The gem weighs 23.75 carats and exhibits the most beautiful blue hue rendered by its cut corner rectangular mixed cut shape. It rests in a sturdy multi-prong set solid 18kt yellow gold vintage setting encrusted with 32 round brilliant diamonds around the September birthstone. The diamonds are beautifully matched in color (G-H) and clarity (VS1-SI1) and weigh .60 carats. The ring weighs 13.4 grams and is currently a size 7.75 and we offer free resizing and free express shipping. The ring is in pristine condition and the original EGL USA Certificate and UGS Appraisal are included. UGS, an affiliate of EGL USA, has appraised the ring on May 10, 2018 for $162,815.