Shop › Yellow Sapphire Custom Cut by John Boyd Image 1 of 2 Image 2 of 2 Yellow Sapphire Custom Cut by John Boyd $2,900.00 1.61 carats9mm x 4.1mmUntreatedCustom octagonal cut by lapidary artist John Boyd.Prices subject to change. Quantity: Add To Cart Added! 1.61 carats9mm x 4.1mmUntreatedCustom octagonal cut by lapidary artist John Boyd.Prices subject to change. You Might Also Like Lavender Sapphire Lavender Horseshoe Cut Sapphire Blue Cushion Cut Sapphire