Image 1 of 2 Image 2 of 2 Hexagon Emerald ring $5,400.00 18k/22k gold ring. 2.5mm flat band with a hexagon Emerald slice (1.55 ct). Size 6.5 Add To Cart Added! 18k/22k gold ring. 2.5mm flat band with a hexagon Emerald slice (1.55 ct). Size 6.5