Make sure you're buying the best ring for your budget. July 10, 2013 -- intro: The average engagement ring in America costs around $5,431, according to theknot.com, and while budgets vary from one ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. All over the world, gift-giving is a clear sign of love, caring, and ...

Two samples of carbon crystals, which are clear and give off a kaleidoscope of spectral colours under direct sunlight, may appear to be identical. However, one is a billion years old, and the other is ...

New Delhi: The International Gemological Institute (IGI) has reaffirmed its commitment to applying the universal 4Cs grading system - cut, color, clarity, and carat to all diamonds, including ...