The center round brilliant cut diamond weight 1.03 carat certified by AGI Gemological Institute as a Natural Earth Mined Diamond with Blue color enhanced, SI1 clarity enhanced and Excellent polish. To highlight the spark of the stone on this one of a kind piece our jewelry craftsman used 4-prong setting for the center diamond and 4-prong setting for the accent stones. 7 (Available in more sizes). At 47 Diamond District all diamonds are certified and authentic. Our jewelry is brand new and never been worn.TERMS & CONDITIONS ON REVERSE. THE ADVANTAGES OF OUR NEW CERTIFICATE OF AUTHENTICITY. The item will be graded by our GIA Graduated Gemologists. It guides you on how to care for your diamond and jewelry. Your item's picture will be printed on the certificate. The certificate will give you extra peace-of-mind that your item is authentic. It will give you an accurate grading on the 4C's of the diamond. UPS 2nd Day 2 Days. UPS Next Day Air 1 Day. UPS Worldwide Express 1 - 3 Days. We offer a 3% discount when paying via wire transfer. We sell only authentic, original and conflict-free diamonds and jewelry that have never been worn before. Also, every piece of jewelry and diamonds are being graded by GIA graduate gemologists and come with its original appraisal and an authentication certificate. Item must be in the same condition as it was received. IT'S THE WORLD'S DIAMOND DISTRICT FOR A REASON?