Peru Blue Opal Ring with Sterling Silver Band, Statement Cocktail Ring, US Size 8.5-8.75,PERU OPAL WITH DENDRITIC INCLUSIONS 17.25 CTS [VS5166],1.21 ct. Peruvian Blue-Green Opal - The Gem Trader Rare Gems — The Gem Trader,BLUE PERU OPAL- WITH DENDRITIC INCLUSIONS 24.70 CTS VS 2327,Amy O'Connell Rock Gallery,