Image 1 of 1 Opal Doublet 4.45 ct $575.00 26.5 x 8.5mm Add To Cart Added! 26.5 x 8.5mm You Might Also Like Opal Boulder 37.75 ct $1,500.00 Opal Doublet 4.06 ct $75.00 Opal Koroit Boulder 1 $300.00 Opal Ethiopian 4.61 ct $697.00 Opal Crystal 2.05 ct $338.00