Center Stone: Lab Created Alexandrite, Heart Shape, 8 mm, 2.50 carats, Color Changes Hue depending on lighting: Deep Pink, Dark Purple, Rich Blue, and Ocean Teal, Brilliant Sparkle. Pendant: 2.80 grams, Pure Sterling Silver Rhodium Finish 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 a 18 inch Sterling Silver Rhodium Finish Box Chain, Signature Gift Box & style SP9740