Houston Diamond District offers a 30 day return policy on all of its products</br>Diamond Variance of Weight is +/- 6%</br>We only sell 100% Natural?? un-treated ?? conflict free diamonds.</br>Direct Manufacturer Prices & Free Certificate of Authenticity</br></br>Product Description</br></br>2 Carat Round Cut 4 Prong Solitaire Diamond Engagement Ring (J Color SI2 Clarity)</br><br/>http://www.amazon.com/gp/product/B0188KTMW0