Your ultimate stacking ring has arrived! Our Triple Marquise Birthstone Ring allows you to customize to the stone you want. With delicate CZ Diamond gemstones in between each marquise birthstone, this ring shines with even more sparkle. Material: High Quality Solid 925 Sterling Silver Finish: Sterling Silver ∙ 18K Gold ∙ Rose Gold Featuring a ~1mm Dainty Ring Band with three ~3.5 x 2mm Marquise Gemstones and ~1mm Round CZ Diamond Stones Part of our Birthstone Collection The OPAL Marquise Ring in this listing can be ordered through our Alessia Trio Opal Ring here Model showcases a  a beautiful, iridescent ring stack featuring Alessia Trio Opal Ring, Everly Thin Duo Band and White Opal Inlay Band. SKU: MM-RM120 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