PalmBeach Jewelry Princess-Cut Birthstone Sterling Silver Stackable Ring March Sim. Aquamarine FREE SHIPPING on orders of $30.00 or more - Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box Sterling Silver - Quality Stamp (.925) Birthstones, historically sentimental, represent the month in which you or a loved one was born. Ring Style: Band with Stones Princess-cut birthstone ring looks great worn alone or stacked for a contemporary look. Smart sterling silver design. Sizes 5-10. Specify birth month. Birthstones are simulated gemstones.