Oscar Heyman Blue Star Sapphire and Diamond Ring

Oscar Heyman Burmese Ruby and Diamond Ring

Oscar Heyman Cat’s Eye Chrysoberyl and Diamond Ring

Oscar Heyman Orange Sapphire and Diamond Ring

Oscar Heyman Pink Sapphire and Diamond Ring

Oscar Heyman Purple Sapphire and Diamond Ring

Oscar Heyman Sapphire and Diamond Ring

Oscar Heyman Star Sapphire and Diamond Ring

Oscar Heyman Tsavorite and Diamond Ring

Oscar Heyman Yellow Sapphire and Diamond Ring