Our Three Stone Princess Cut 2.5 Carat Center Laboratory Grown Diamond Alternative Cubic Zirconia Anniversary Engagement Ring features a 2.5 carat 8mm center with 1 carat 6mm squares on each side. Included is 4.5 carats in total carat weight of our Russian formula laboratory grown diamond simulant cubic zirconia that is hand cut and hand polished to exact genuine mined diamond specifications. All three stones are individually basket set with four prongs with exquisite proportions. This style of three stone ring is a staple in many sophisticated jewelry wardrobes and is perfect as an engagement ring, wedding ring or anniversary ring. Couple this ring with an anniversary band or eternity band to make an amazing wedding or bridal set. Available with different color center stones or stone combinations that include man made ruby red, sapphire blue, emerald green gemstones in addition to lab created canary yellow diamond look, pink diamond look or white diamond look cubic zirconia. The three stone rings are available in 14k white gold, 14k yellow gold, 14k two tone, 18k gold and luxurious platinum. For further assistance please contact us directly at 1-866-942-6663 or visit us via live chat and speak with a knowledgeable representative.