Celebrate your unique love story with our Marquise Infinity Birthstone Ring, a stunning piece that’s perfect as a birthstone ring or a heartfelt gift for someone special. Featuring a timeless infinity design with delicate diamond accents, you can personalize it with the gemstone that captures your special bond ♡ SKU: MM-RM164 Product Details Material: High Quality Solid 925 Sterling Silver Finish: 18K Gold ∙ Sterling Silver ∙ Rose Gold  Featuring a ~4.5x2mm Marquise-cut CZ Birthstone Ring with ~3mm CZ Diamonds Featured Styles Part of our Birthstones Collection Sizing Guide Rings are created true to standard US sizing. For the best fit we suggest having your finger(s) sized. We offer a physical ring sizer as well! Alternatively, you may follow the steps below to find your best fit: Wrap a string around your finger where you'd like your ring to be or place the string across the inner diameter of a ring that fits you from end to end. Make sure that the string is pulled snug for the best accuracy Mark the spot where the string meets and measure with a ruler in millimeters (circumference) or measure the string's distance across the center of the ring (inner diameter) Use the circumference or inner diameter column in the chart below to find your size