Take an additional 20% off already marked down diamond jewelry at SmartBargains through 7/1. From earrings to engagement rings, there's something for every price point. Good deals include the 14K Gold Diamond Fashion Ring, which retails for $400, is on sale for $199 and is now marked down to $159.20, 14K Diamond Studs, originally $695, sold on SmartBargains for $249 and now $199.20 and the 14K White Gold 3-Stone Diamond Ring (pictured) is marked down from $4500 to $1799.99 to $1440. Shipping is $9.95 for all items and there's no sales tax (except KY, MA, NC). Use this coupon for free shipping on orders over $100.