Because of their rarity and beauty, only the wealthy members of the nobility of olden times were able to afford to own pearls. Today, pearl culture farms have made these gemstones of the sea more affordable to even ordinary people without diminishing their beauty.
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.
A delicacy for the rich, caviar is an acquired taste. Its quality is classified by color, and its value is measured by the grain.