Cushion cut Blue and light-blue spinel

Cobalt blue spinel in cushion cut 4.03 carats, Tanzania

Rare cobalt blue spinel in cushion cut 2.03 carats, Tanzania

Cushion-cut deeep blue spinel 5.90 carats, Tanzania

Rare cobalt blue spinel in cushion cut 1.23 carats, Tanzania

Cushion-cut blue spinel 2.13 carats, Tanzania

Rare cobalt blue spinel in cushion cut 3.94 carats, Tanzania

Set of blue-purple spinel from Tanzania 3.60 ct

Cushion cut lavender purple spinel 8.01 ct, Tanzania

Cushion-cut Burmese gray-blue spinel 8.05 carats

Beyond rare vietnamese cobalt blue spinel in cushion cut 1.58 carats, Luc Yen

Cobalt blue spinel in cushion cut 3.02 carats, Tanzania

Contrasting pair of pink and blue cushion cut spinel 0.57 ct

Cushion cut blue spinel 1.66 ct, Burma

Cushion cut Burmese bluish gray spinel 1.04 ct

Cobalt blue spinel 2.45 carats, Tanzania

Cushion cut dark blue spinel 2.79 ct, Burma

Burmese blue cushion cut spinel 2.00 ct

Unique cobalt blue cushion cut spinel from Tanzania 7.08 ct, GRS

Blue cobalt cushion cut spinel 1.50 carats, Tanzania

Intense blue-violet spinel cushion shape 4.09 ct, Burma

Cobalt blue spinel from Tanzania 3.51 ct

Blue spinel from Burma, 2.48 ct

Pair of pink and blue spinels 5.45 ct

Pair of spinels from Burma and Sri Lanka 4.48 ct