None

Bi-color sapphire in octagon shape, Sri Lanka (Ceylon)

Carat weight:

29'985 CHF

Bi-color sapphire in oval shape, Madagascar

Carat weight:

1'393 CHF

Bi-color sapphire in radiant shape, Madagascar

Carat weight:

25'542 CHF

Blue sapphire in cushion shape, Sri Lanka (Ceylon)

Carat weight:

24'117 CHF

Blue sapphire in octagon shape, Sri Lanka (Ceylon)

Carat weight:

7'687 CHF

Blue sapphire in oval shape, Sri Lanka (Ceylon)

Carat weight:

9'063 CHF

Blue sapphire, octagon cut, Sri Lanka

Carat weight:

2'316 CHF

Blue spinel in oval shape, Tanzania

Carat weight:

3'498 CHF

Blue tanzanite, cushion cut, Tanzania

Carat weight:

3'256 CHF

Blue tanzanite, heart cut, Tanzania

Carat weight:

592 CHF

Blue tanzanite, heart cut, Tanzania

Carat weight:

3'399 CHF

Blue tanzanite, heart cut, Tanzania

Carat weight:

3'643 CHF

Blue tanzanite, octagon cut, Tanzania

Carat weight:

3'306 CHF

Blue tanzanite, oval cut, Tanzania

Carat weight:

3'478 CHF

Blue tanzanite, oval cut, Tanzania

Carat weight:

3'573 CHF

Cobalt Blue spinel in cushion shape, Tanzania

Carat weight:

4'667 CHF

Cobalt Blue spinel in cushion shape, Tanzania

Carat weight:

94'373 CHF

Cobalt Blue spinel in marquis shape, Vietnam

Carat weight:

114'305 CHF

Cobalt Blue spinel in oval shape, Sri Lanka (Ceylon)

Carat weight:

2'321 CHF

Cobalt Blue spinel in oval shape, Tanzania

Carat weight:

12'256 CHF

Color Change alexandrite in cushion shape, Brazil

Carat weight:

47'940 CHF

Cornflower Blue sapphire in cushion shape, Sri Lanka (Ceylon)

Carat weight:

23'837 CHF

Cornflower Blue sapphire in cushion shape, Sri Lanka (Ceylon)

Carat weight:

51'268 CHF

Cornflower Blue sapphire in cushion shape, Sri Lanka (Ceylon)

Carat weight:

30'257 CHF