Center diamond is 1.10 ct and laser inscribed with IGI cert number. Certification is available online at IGI.org. STUNNING! Two side diamonds are also lab created. See below for details. Poshmark will do additional authentication of this item. Ring can be sized by your jeweler. Materials: 18K Gold Ring Size: 7.00 Hallmarks: 18K C084 Total Weight (grams): 3.20 Primary Stone(s) Type: Lab Grown Diamond Primary Stone(s) Shape: Princess Cut Primary Stone(s) Dimensions: 5.72 x 5.56 × 4.03 mm Total Primary Stone(s) Carat Weight: 1.10 ct Primary Stone(s) Color Grade: F Primary Stone(s) Clarity Grade: VS1 Primary Stone(s) Gemologist Note: Inscribed "IGI LG589385689". Secondary Stone(s) Type: Lab Grown Diamond Secondary Stone(s) Shape: Triangular Cut Secondarys) Stone Dimensions: (5.80 × 5.80 x 2.30) mm - (estimate) Total Secondary Stone(s) Carat Weight: 0.80 ctw Secondary Stone(s) Color Grade: E - F Secondary Stone(s) Clarity Grade: VS1 - VS2