Diamond Weight Variance can be +/- 6% as we try to get you the best looking stone Satisfaction guaranteed. We offer a 30 day return policy on all of its products We only sell 100% Natural conflict free diamonds. MADE IN USA We have over 50000 designs and diamonds to choose from Houston Diamond District 0.5 to 5 Carat Round Natural Real Tanzanite/Sapphire/Ruby/Emerald/Black/Brown/Blue Diamond Pendant Necklace AAA Quality 14K White Gold 0.5 Carat Black Diamond