Switch-It Gems Heart Shape 10mm Simulated Ruby Halo Ring with 12 Interchangeable Simulated Birth Months Guaranteed Authentic from the Switch It Gems designer line Metal: 925 Sterling Silver. Dimensions: Width: 14.00 mm Length: 14.00 mm Created Ruby: The Created Birthstone for July. From the Latin `ruber` meaning `red`. King of all gems, the Ruby is among the oldest gems known to man. Its the very symbol of love, and it is said to inspire passion, confidence and leadership. All original Switch-it gems products come with a free limited Lifetime Warranty. Additional Stones: (cubic-zirconia, Shape: round-shape, Color: Colorless.)