Unique Trilliant Tanzanite and Diamond RingChristopher Michael designed ring with a top graded exceptional AAA color approximately 1. 09 carat trilliant cut tanzanite accented by an ideal cut round diamond that is colorless and flawless to the naked eye. F color Si1 clarity. Center stone and diamond are protected by a bezel and this mounting is of a heavier weight that is built to last. Custom made when ordered, allow 7 10 business days with shipping. We understand that this is a big purchase.