Tommaso Design 7mm Heart Shape Created Sapphire Engagement Solitaire Ring 10kt Gold Metal: 10 kt White Gold. Dimensions: Width: 8.00 mm Length: 8.00 mm This Classic creation is made by the renowned Tommaso Design Studio. Tommaso Design Studio, is a reputable American Family Business based in New York since 1986, uses the highest quality materials, and will proudly stand behind all of its products. CREATED SAPPHIRE: The Created Birthstone for September. Named From the Latin `sapphirus` meaning `blue`. A symbol for truth and sincerity, it inspires enlightenment, health and peace. Sapphire naturally occurs in many different colors.