GARNET

Garnets come in a wide variety of colors.

These are stunning examples of fine color amethyst from a mine in Arizona.

AMETHYST

This rough crystal (left) shows the classic seawater color aquamarine is named for.

AQUAMARINE

DIAMOND

The Diamond also comes in many colors.

This 10.86-ct. Colombian rough crystal shows the color of the finest emeralds.

EMERALD

PEARL AND CULTURED PEARL

Akoya and Tahitian cultured pearls

ALEXANDRITE

Alexandrites change colors under different lighting, going from green in daylight and fluorescent light (left) to red or raspberry in incandescent light (right).

RUBY

Ruby can command the highest price of all colored stones. This 15.97-ct. Ruby sold for over $3,000,000 at auction.

PERIDOT

The finest peridot is a beautiful green to slightly yellowish green. The depth of color in this 172.53-ct. faceted gem is especially rare for peridot.

SAPPHIRE

Sapphire is the most popular blue gem, but it comes in a wide array of colors.

Opal displays the play-of-color phenomenon.

OPAL

Blue Topaz

TOPAZ

Imperial topaz

TANZANITE

Tanzanite is a beautiful bluish - purple gem from Tanzania, Africa.

CreditsColumbia Gem House, Inc.

De Beers (Diamond Promotion Service/Diamond Information Center)

M. Roudnitska/GIE Perles de Tahiti

Tino Hammid

John Parrish

Jeffrey Scovil

Timeless Gem Designs

Harold & Erica Van Pelt

Robert Weldon