Tulcy offers this 2.87-Total Carat Weight Blue and White Topaz Necklace & Earrings Set for $199.99. Coupon code "DEALNEWSBT" cuts it to $49.99. With free shipping, that's $150 off and the lowest price we could find. It features .925 sterling silver settings, 18" chain, 7x5mm oval blue topaz gemstones, and a 1.5mm white topaz gemstone.