Internally Flawless Intense Blue Diamond Platinum Ring

3.17 carats Fancy Intense Blue Diamond studded in Platinum Ring. Photo courtesy: Christie's

Stylish 10.71 carats Pear shaped Diamond Ring

10.71 carats Pear shaped Diamond embedded in 18K Rose Gold Ring. Photo courtesy: Christie's

Blue Diamond Heart Engagement Ring

5.01 carats Fancy Blue heart shaped Diamond mounted in 18K White Gold Ring. Photo courtesy: Christie's

Vivid Yellow Diamond Heart in Platinum Ring

12.16 carats Fancy Vivid Yellow Diamond mounted in Gold and Platinum Ring. Photo courtesy: Sothebys

Indian who created artificial life expired - Dr. HarGobind Khorana

Dr. Hargobind Khorana, Nobel Laureate in Medicine 1968 expired today, November 11, 2011. He made several discoveries & inventions during his lifetime, but he is most renowned for the synthesis of genes, the building blocks of life, the carriers of evolution, in a laboratory.

Here is an excerpt from his biography, courtesy : Nobel Foundation, Sweden

Multimillion Dollar Emerald and Diamonds Brooch/Pendant

68.90 carats Emerald and Diamonds embedded in Platinum Brooch. Photo courtesy: Christie's

Stunning 'Sweet Hearts' Diamond Ear Pendants

Pair of Sweet Hearts Earrings embedded in Rose Gold. Photo courtesy: Christie's

26.42cts. Kashmir Sapphire Brooch

Exceptional 26.42 carats Sapphire and Diamonds Brooch. Photo courtesy: Christie's

Blue Diamond & White Diamond Earrings

Amazing set of Ear-clips set with Blue and White Diamonds.

4.59cts Intense Pink Diamond Platinum Ring

4.59 carats Fancy Intense Pink Diamond mounded in Platinum Ring. Photo courtesy: Sothebys

Fancy Vivid Blue Diamond 5.16cts Platinum Ring

5.16 carats Fancy Vivid Blue Pear-shaped Diamond studded in Platinum Ring. Photo courtesy: Sothebys

Splendid 8.90cts. pear-shaped diamond ring

Splendid 8.90 carats pear-shaped Diamond set in Platinum Ring. Photo courtesy: Sothebys