
Amethyst Gemstone | Amethyst Stone - GIA
Amethyst Gemstone is the purple variety of the Quartz mineral. Amethyst’s purple color can range from a light lilac to a deep, intense royal purple, and from brownish to vivid.
Amethyst Gemstone | Amethyst Stone - GIA
The finest amethyst color is a strong reddish purple or purple, with no brownish or bronze-colored tints, or any noticeable color zoning when you look at the stone from the top. If the stone …
Amethyst Quality Factors - GIA
The finest amethyst color is a strong reddish purple or purple with no visible color zoning. Dealers prefer strongly saturated reddish purple to dark purple, as long as the stone is not so dark that …
GIA Gem Encyclopedia | Complete List Of Gemstones
The essence of the color purple, amethyst is beautiful enough for crown jewels yet affordable enough for class rings.
Birthstones | Birthstone by Month - GIA
Amethyst, the February birthstone, is the purple variety of quartz and is said to cure drunkenness and make you quick-witted in business. You once had to be rich to own this birthstone for …
Amethyst Buying Guide - GIA 4Cs
2014年2月1日 · Known for its majestic purple color, amethyst is the gemstone of choice for those born in February. Breathtaking and surprisingly affordable, it’s also the most valued variety of …
Amethyst Description - GIA
Amethyst’s purple color can range from a light lilac to a deep, intense royal purple, and from brownish to vivid. Amethyst also commonly shows what is called color zoning, which in the …
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AMETHYST - GIA 4Cs
Amethyst’s major attribute is its rich velvety purple or reddish purple hue. Gems that display this color evenly—with no visible color zoning when viewed from above—are highly prized. …
February Birthstone | Amethyst Birthstone Source & Meaning - GIA
The Duchess of Windsor’s bib-style necklace boasts 28 step-cut amethysts, one oval faceted amethyst, and a large heart-shaped amethyst in the front, as well as turquoise cabochons and …
Ametrine Gemstone | Natural Ametrine Stone - GIA
Ametrine is a transparent, bicolored Quartz with the Contrasting Colors of both Amethyst & Citrine in the same gem giving it an intriguing appearance.