Gemstones

Cobalt Blue spinel in cushion shape, Tanzania

Carat weight:

94'373 CHF

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

Carat weight:

23'837 CHF

Steel Grey Vibrant spinel in cushion shape, Burma

Carat weight:

5'304 CHF

Blue spinel in cushion shape, Tanzania

Carat weight:

1'216 CHF

Lavender sapphire in cushion shape, Madagascar

Carat weight:

22'043 CHF

Blue tanzanite, cushion cut, Tanzania

Carat weight:

2'194 CHF

Chrysoberyl cushion shape, Sri Lanka

Carat weight:

518 CHF

Violet sapphire in cushion shape, Sri Lanka (Ceylon)

Carat weight:

83'544 CHF

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

Carat weight:

26'705 CHF

Yellow sphene, cushion cut, Madagascar

Carat weight:

1'561 CHF

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

Carat weight:

25'721 CHF

Chrysoberyl cushion shape, Sri Lanka

Carat weight:

507 CHF

Cornflower Blue sapphire, cushion cut, Sri Lanka

Carat weight:

32'801 CHF

Yellow zircon cushion shape, Tanzania

Carat weight:

1'377 CHF

Lavender spinel in cushion shape, Tanzania

Carat weight:

4'547 CHF

Intense Blue sapphire, cushion cut, Sri Lanka

Carat weight:

25'914 CHF

Large zircon cushion shape, Tanzania

Carat weight:

6'068 CHF

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

Carat weight:

19'801 CHF

Unheated Royal Blue sapphire in cushion shape, Sri Lanka

Carat weight:

10'305 CHF

Pair of royal blue sapphires in cushion shape, Sri Lanka (Ceylon)

Carat weight:

12'502 CHF

Purple spinel in cushion shape, Tanzania

Carat weight:

671 CHF

Pair of blue sapphires in cushion shape, Sri Lanka (Ceylon)

Carat weight:

20'474 CHF

Vanadium containing chrysoberyl shape, Madagascar

Carat weight:

1'191 CHF

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

Carat weight:

24'568 CHF