Earth's Treasury

1.50-carat golden yellow-colorless particolored montana sapphire (heated)

1.25-carat opalescent light aqua-yellow particolored montana sapphire (heated)

1.06-carat blue-yellow particolored montana sapphire (heated)

1.54-carat vivid orange-colorless particolored montana sapphire (heated)

2.30-carat deep blue-yellow particolored montana sapphire (heated)

0.88-carat orange-red montana sapphire (heated)

0.85-carat aqua-orange particolored montana sapphire (heated)

0.72-carat steely blue-gray particolored montana sapphire (heated)

1.51-carat gray particolored montana sapphire (heated)

1.21-carat golden yellow-orange particolored montana sapphire (heated)

1.19-carat violet-pink-orange particolored montana sapphire (heated)

1.81-carat teal blue-olive green particolored montana sapphire (heated)

0.91-carat pale yellow-orange particolored montana sapphire (heated)

1.05-carat blue-yellow particolored montana sapphire (heated)

0.82-carat aqua-yellow particolored montana sapphire (heated)

1.78-carat sky blue-brownish orange particolored montana sapphire (heated)

1.29-carat orange-aqua particolored montana sapphire (heated)

1.23-carat burnt orange-blue particolored montana sapphire (heated)

1.21-carat yellow-colorless particolored montana sapphire (heated)

0.99-carat aqua blue montana sapphire