Gemstones: Lab Created Blue-Green Opal, Princess Cabochon Shape, 8mm, shimmering blue and green hues, 2.00 Total Carat Weight. Pendant: 1.70 grams pure Sterling Silver with .925 Stamp. Pendant features exceptional Design, Craftsmanship and Rhodium finishing. Perfect gift for Mothers Day, Birthdays, Valentines Day, Graduation, Christmas or just about any other occasion. Money Back Guarantee. Includes 18 inch Sterling Silver Box Chain and Signature Gift Box. Style SP10958