This ring is definitely gorgeous and a real statement ring! The gem is a large 10 mm by 20 mm all natural Thai Black Spinel set in a beautiful openwork setting of 14 K Yellow Gold and Platinum over Sterling Silver weighing in at 9.75 Grams including the gem. Main Stone Color: Black Metal:14K YG & Platinum over 925 Sterling Silver Ring Size: 9 Style:Solitaire Main Stone: Thai Black Spinel Main Stone Creation: Natural Total Carat Weight (TCW): 17 carats