New to gemstones? Curious about the different kinds of gemstones? Check out our gemstones list and discover a world of precious and semi-precious stones.

Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.

2023年4月13日 · Gems come in every color of the rainbow and are gathered from all edges of the globe, with each colored gemstone possessing a one-of-a-kind production of lovely color. Explore beautiful gemstones and fine jewelry at Blue Nile.

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Gem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & research.

Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem , jewel , precious stone , semiprecious stone , or simply gem ) is a piece of mineral crystal which, when cut or ...

Learn and compare moissanite and diamond, two unique and beloved gemstones that often compete for the same admiring glances. Discover the essential gemological microscope, a specialized tool for identifying and evaluating gemstones. Learn …

2019年11月26日 · Precious stones were hard, rare, and valuable. The only "precious" gemstones are diamond, ruby, sapphire, and emerald. All other quality stones are called "semiprecious," even though they may not be any less valuable or beautiful.

Learn the latest on Madagascar sapphires and demantoid garnets from Wim Vertriest, GIA Manager of Field Gemology. Presents findings from observations of oval-, pear-, and marquise-shaped diamonds, laying the groundwork for a fancy cut grading system. A suite of seven rare haüyne stones are examined in the Carlsbad laboratory.

2023年5月8日 · Search and Buy Natural Gemstones at James Allen. Presented in an A-Z order, this guide extensively examines various types of natural gemstones, delving into their origins and distinctive characteristics. Gemstone type: Alexandrite is regarded as …