This colorful and sparkling gemstone necklace packs a strong visual punch. Created in sterling silver, this necklace marries stations set with 5. 0mm round swiss blue topaz with slender bar links lined with shimmering lab-created white sapphires. Styled to impress, this 17. 0-inch necklace is polished to a bright shine and secures with a durable lobster claw clasp.