Biggest Pearl in the World
The biggest pearl in the world to date is what is known as the Pearl of Allah. Legends claim that this pearl originated from the waters of Palawan, an island in the Philippines. This pearl weighs approximately 14.1 pounds.
precious stones
Sapphire Sizes
Sapphire sizes are determined by their carat weight and their actual measurement. Carats for sapphires can be anywhere from ΒΌ carat up to 3 carats. One of the rarest sapphires however is ten carats and cost thousands of dollars.
Difference Between Carats & Karats
The difference between carats and karats is that, carats are used to refer to the weight of the precious stones in jewelries while karats refer to the gold content of your jewelry pieces. Karats are often in values of ten and eighteen while carats can be anywhere from one carat to five carats, although some pieces have less than one carat and more than five carats.
Ruby Sizes
Because of their extreme rarity, ruby sizes expressed in carats affect the prices of these precious gemstones on an exponential basis. This means that the larger it is, the more expensive it becomes on a per carat basis.