Oval cut Lagoon

Tourmaline Lagoon in oval cut 1.30 carats, Afghanistan

Contrasting pair of tourmalines oval cut 1.90 carats, Afghanistan

5.92 carat blue-green tourmaline set, Afghanistan

Set of blue tourmalines 5.04 ct, Afghanistan

Pair of Lagoon tourmalines in oval cut 3.75 carats, Africa

Lagoon tourmaline oval cut 3.31 ct, Afghanistan