Silver 925 - White gold plated Natural Ethiopian Opal and Chrome Diopside 3,40 grams (total) 13 x 13 mm about Ring (size 6 USA) Opal: 1 piece 7 mm about Faceted Untreated Ethiopia, Welo Chrome Diopside: 6 pieces 4 x 2.5 mm about Faceted Untreated Russia Lamp light condition please be careful with the description and measures Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-40 days for rest of the world ) if you want fast shipping, please contact me immediately after the auction win