Celtic Lands beautifully handcrafted, simple petite Celtic Trinity 925 Sterling Silver with Gold Plate and Blue Topaz set stone stud earrings. Designed in Cornwall, UK, featuring ancient Celtic artwork. Includes branded gift box. The trinity knot, known as the Triquetra represents equality, eternity, unity and the cycle of life. For more, visit our Celtic symbols page. Blue Topaz is one of the birth stones for December. It helps you to harness inner wisdom, abudance and growth, assists with clear communication, expression and peacefulness.