IGI Certified 2/3 cttw Princess-Cut Diamond 4-Prong Stud Earrings in 18K White Gold with Screw Backs (G-H Color, VS1-VS2 Clarity) Made in USA, Certified by International Gemological Institute (IGI) Free Priority Shipping and 100% Satisfaction Guarantee. This product comes with a Luxurious Cherrywood Gift Box. All our diamond suppliers certify that to their best knowledge, all diamonds are conflict free and 100% in compliance with the Kimberly Code of Conduct. All our gold items are responsibly sourced and the majority is made from environmentally processed recycled gold.