Navratna are nine Gems prescribed for nine planets. This is according to Indian astrology. These nine gems or Navratna are Ruby, Pearl, Coral, Emerald, Yellow Sapphire, Diamond, Blue Sapphire, Hessonite and Cat's Eye. These Navratna gems are prescribed for the Sun, Moon, Marsh, Mercury, Jupitar, Venus, Saturn, Rahu and Ketu respectively in Indian astrology. These nine gems or Navratna is also called Rashi ratna or Graha ratna.
Jewelry is classified as Gold Jewelry, Silver Jewelry, Diamond Jewelry, Color stone Jewelry, Diamond Color stone Jewelry, Beaded Jewelry, Kundan Meena Jadau Jewelry, Imitation Jewelry, Fancy Jewelry etc.
Rings, Pendants, Earrings, Bracelets, Armlets, Bangles, Nose pin, Churi, Mang tika etc are varieties of Jewelry.
There are some articles about Gems and Jewelry which are published in Gems and Jewelry group in hubpages. Dates of publishing articles are also mentioned here in M/D/Y format.
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(Vardhaman Gems, Jaipur represents Centuries Old Tradition of Excellence in Gems and Jewelry)