This month we feature some highlights from the Joe Kast Collection. This collection exhibits a full spectrum of colors from the corundum family and a strong selection of emeralds as well.
From center, then clockwise from top
- Golden yellow sapphire from Sri Lanka, 6.40 carats, 12.1 x 9 .1 mm cushion
- Unique green sapphire from Sri Lanka, 6.18 carats, 10.2 x 9.9 mm cushion
- Very fine emerald from Colombia, 2.66 ccaratst, 8.9 x 8.4 mm emerald cut
- Intense purple pink sapphire 1.90 carats, 7.2 mm round
- Pigeon's blood red ruby from Burma, 2.08 carats, 7.3 x 6 mm cushion
- Exquisite padparadscha from Sri Lanka, 1.25 carats, 7.2 x 5.2 mm oval
- Brilliant blue sapphire 4.04 carats, 8.5 mm round.