40" Long Necklace w/ Checkerboard Blue Topaz. (12) Round, checkerboard-cut Swiss Blue Topaz are spaced & bezel-set in this pretty 40" 14 KT White Gold Link Style long chain. (12) 6 mm round Swiss Blue Topaz stones Great chain to wear long or doubled. Long necklaces are so in Vogue. Wear layered with others. Great addition to any wardrobe.