The carat flawless Ruspoli Sapphire aka The Grand Sapphire of Louis XIV of France. Today the sapphire resides in the Paris Museum of Natural History. The sapphire is probably originally from Ceylon (Sri Lanka).
Padparadscha Sapphire - This very rare color of sapphire (orange / pink / peach) is highly prized by gem collectors. Gems over one carat sell for thousands per carat. Few mines in the world are yielding this kind of gem. (My favorite gemstone)
Zoisite, Tanzanite: Gemstone Safari :: A Travel Group where you dig for sapphires during a few days and learn about the particularities of the local geology. A group of miners assists you. All the stones you find are yours to keep.
The Logan Sapphire Flawless sapphire is the second largest known one in the world, a staggering carats. The cushion-cut stone is one of the world's largest and most famous sapphires, set in a brooch surrounded by 20 round-cut diamonds weighing 16 carats.
hortensia diamond 20 Carats, a peach coloured stone, named after the Queen of Holland, the step-daughter of Napoleon Bonaparte. This gem is part of the French Crown Jewels and is seen at the Louvre in Paris.