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Learn about ruby's durability and how to care for your ruby jewelry.

Ruby can command the highest prices of any colored gemstone. The per-carat prices of fine-quality rubies have been rising consistently, many times breaking auction records. Click here and learn about the factors that make ruby so desirable!

Perhaps the best-loved gems of all time, pearls—both natural and cultured pearls—occur in a wide variety of colors. Learn about the factors that make pearls so popular and desirable!

Learn about pearl's durability and how to care for your pearl jewelry.

Learn about emerald's durability and how to care for your emerald jewelry.

Emerald’s lush green has soothed souls and excited imaginations since antiquity.

Emerald is the green to greenish blue variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors.

Emerald is the green to greenish blue variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors.

The name ruby comes from the Latin word ruber, which means “red.” The glowing red of ruby suggested an inextinguishable flame burning in the stone...

Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire

Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

All that was old is new once more – at least when exploring historic trend-setting jewelry styles of the 19th and 20th centuries.