Ross-Simons is the authority on luxury classics. Bound to be a true blue favorite, this remarkable ring showcases an icy 4.00 carat square cushion-cut sky blue topaz, flanked by.40 ct. t.w. London blue topaz gems..50 ct. t.w. white zircon rounds add additional shimmer in richly hued blue enamel. Crafted in 18kt gold over sterling silver. 1/2" wide. Blue enamel, white zircon and blue topaz ring. Each Ross-Simons item arrives in a fine jewelry presentation box. Shop Ross-Simons jewelry risk-free as all items include a 30-day, 100% money-back guarantee.Stone InformationGem Type 1 - TopazStone Cut 1 - Good-CutStone Color 1 - BlueStone Clarity 1 - BlueStone Shape 1 - Square-ShapeStone Creation Method 1 - NaturalStone Treatment Method 1 - Heat-Treated,IrradiatedStone Weight 1 - 4.00 CaratsNumber Of Stones 1 - 1Gem Type 2 - TopazStone Cut 2 - Good-CutStone Color 2 - BlueStone Clarity 2 - BlueStone Shape 2 - Round-ShapeStone Creation Method 2 - NaturalStone Treatment Method 2 - Heat-Treated,Ir