December birthstone, 4th and 19th wedding anniversary gift Blue Topaz is said to be a natural magnifier of creativity and industriousness, increasing the wearer's attention span, ability to articulate complex ideas, and achieve goals. The budding CEO's charm necklace of choice. Please note, natural gemstones may vary in colour. 18K Gold Plated Stainless Steel 6mm bezel set trillion cut Blue Topaz Blue Topaz for communication, honesty and inner peace Ethically sourced natural gemstone Charm measures 6x8mm Box chain length 16" (40.5cm) extends to 18" (45.5 cm)