The very best in contemporary styling, the Lulu Design Diamond Engagement Ring features a single Round Brilliant diamond in a twisted setting. This ring has been designed to impress and sparkle. You can custom order the diamond, with GIA certified diamonds in a weight from 0.35ct to 1.00ct. You can have the ring crafted in platinum, 18k yellow gold, or 18k white gold. All our jewelry is designed and made in the US.