Gemstones: 1 piece Lab Created Alexandrite, Pear Shape with Checkerboard Top, 12 x 8 mm, 3.75 carats total gem weight, Changes Hue depending on lighting: Deep Pink, Dark Purple, Rich Blue, and Ocean Teal with Brilliant Sparkle. Ring: 3.50 grams, Pure Sterling Silver with .925 stamp, Ring 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 Signature Gift Box, style SR10544 Brand: Oravo Design: Gemstone Style: Solitaire Occasion: Christmas & Hanukkah Resizable: No Adjustable: No Size/Dimensions: 6 Metal Stamp: .925 Sterling Silver